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askamathematician.com

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Ask a Mathematician / Ask a Physicist | Your Math and Physics Questions Answered



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Eigenschaft Inhalt
type website
title Ask a Mathematician / Ask a Physicist
description Your Math and Physics Questions Answered
url https://www.askamathematician.com/
site_name Ask a Mathematician / Ask a Physicist
image https://s0.wp.com/i/blank.jpg
locale en_US
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H1 H2 H3 H4 H5 H6
1 6 7 0 0 0
  • [H1] Ask a Mathematician / Ask a Physicist
  • [H2] Q: How is matter created? Can we create new matter and would that be useful?
  • [H2] Q: Is it possible to create an “almanac” of human behavior that predicts everything a person will do?
  • [H2] Q: How hot can a greenhouse get?
  • [H2] Q: Is π the same in every universe?
  • [H2] Q: If the universe gets split in the Many Worlds Interpretation, then why aren’t all probabilities 50/50? Does stuff get spread thinner and thinner with each split?
  • [H2] Q: Asteroid mining. Why?
  • [H3] Send your questions about math, physics, or anything else you can think of to:
  • [H3] Subscribe
  • [H3] Subscribe via Email
  • [H3] Search the Archives
  • [H3] Categories
  • [H3] Archives
  • [H3] Recent
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In-page links We found a total of 703 links including 2 link(s) to files



Anker Typ Natürlich
Ask a Mathematician / Ask a Physicist intern natürliche Links
Skip to content intern natürliche Links
About intern natürliche Links
Faq intern natürliche Links
Q: How is matter created? Can we create new matter and would that be useful? intern natürliche Links
The Physicist intern natürliche Links
There’s no such thing as pure energy intern natürliche Links
looking it up extern natürliche Links
about 40% of their mass extern natürliche Links
as close as you can get extern natürliche Links
-- By the Physicist intern natürliche Links
Astronomy intern natürliche Links
Engineering intern natürliche Links
Particle Physics intern natürliche Links
Physics intern natürliche Links
64 Comments intern natürliche Links
Q: Is it possible to create an “almanac” of human behavior that predicts everything a person will do? intern natürliche Links
Hunters and foragers also need randomness extern natürliche Links
nerve cells are capable of chaotic behavior extern natürliche Links
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Entropy/Information intern natürliche Links
Machine Learning & A.I. intern natürliche Links
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10 Comments intern natürliche Links
Q: How hot can a greenhouse get? intern natürliche Links
famously extern natürliche Links
8 Comments intern natürliche Links
Q: Is π the same in every universe? intern natürliche Links
strength of gravity extern natürliche Links
strength of electric fields extern natürliche Links
speed of light extern natürliche Links
rate of the universe’s expansion extern natürliche Links
one of them isn’t completely inhospitable extern natürliche Links
this enterprising individual extern natürliche Links
how to calculate π just like we have intern natürliche Links
here are two lists of ideas extern natürliche Links
seems to split intern natürliche Links
-- By the Mathematician intern natürliche Links
Geometry intern natürliche Links
Math intern natürliche Links
19 Comments intern natürliche Links
entanglement between continents extern natürliche Links
big enough to be seen extern natürliche Links
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circularly polarized photon extern natürliche Links
relational quantum mechanics extern natürliche Links
Quantum Theory intern natürliche Links
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10 Comments intern natürliche Links
Q: Asteroid mining. Why? intern natürliche Links
the beauty of the windswept English moors extern natürliche Links
using a metal detector extern natürliche Links
At one time extern natürliche Links
bauxite extern natürliche Links
more than twice as much liquid water extern natürliche Links
16-Psyche extern natürliche Links
there are bigger planets extern natürliche Links
rocket equation extern natürliche Links
gravitational slingshots intern natürliche Links
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December 2009 intern natürliche Links
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October 2009 intern natürliche Links
Q: Is getting plasma really hot the only way to initiate fusion? intern natürliche Links
Q: How likely is it that there’s dark matter in me right now? intern natürliche Links
Q: How big is the universe? What happens at the “edge”? intern natürliche Links
Q: What if the particles in the double slit experiment were conscious? Could you ask them which slit they went through afterwards? intern natürliche Links
A Quantum Computation Course 4: Full Measure intern natürliche Links
A Quantum Computation Course 3: Rise of the Quanta intern natürliche Links
A Quantum Computation Course 2: Quantum Harder intern natürliche Links
A Quantum Computation Course intern natürliche Links
Q: Is silicon life possible? Why all the fuss over carbon-based life? intern natürliche Links
Q: Why are the laws of quantum mechanics so strange? Does it mean that we’re missing something? intern natürliche Links
Q: What is quantum supremacy? Is it awesome or worrisome? intern natürliche Links
Q: Do we actually live in a computer simulation? intern natürliche Links
Q: Half-life? intern natürliche Links
Q: What’s the point of going to the Moon? intern natürliche Links
Q: How hard is it to build a space elevator? What’s the point? intern natürliche Links
Q: Could we get rid of CO2 if we pumped it through a pipe into space? intern natürliche Links
Q: Why was it so hard to take a picture of a black hole? What are we even looking at? intern natürliche Links
Q: Will time travel ever be invented? intern natürliche Links
Q: Why is a negative times a negative positive? intern natürliche Links
Q: In relativity, length contracts at high speeds. But what’s contracting? Is it distance or space or is there even a difference? intern natürliche Links
Q: Can you beat the uncertainty principle using entanglement, by measuring position on one particle and momentum on the other? intern natürliche Links
Q: Why do clouds hold their form? intern natürliche Links
An origin story intern natürliche Links
Q: Can free will exist in our deterministic universe? intern natürliche Links
Q: What is the “monogamy of entanglement”? intern natürliche Links
Q: Could dark matter actually be the “gravitational shadow” of parallel universes? intern natürliche Links
Burning Man’s Mathematical Underbelly intern natürliche Links
Q: Given two points on the globe, how do you figure out the direction and distance to each other? intern natürliche Links
Q: Is it possible to eat all of the ice cream in a bowl? intern natürliche Links
Q: Could the “proton torpedoes” in Star Wars be a thing? intern natürliche Links
Q: Why does gravity pull things toward the center of mass? What’s so special about the center of mass? intern natürliche Links
Q: In relativity, how do you define “the observer”? intern natürliche Links
Story Collider intern natürliche Links
For the first time ever, you can buy a book! Again! intern natürliche Links
Q: What is the most complicated equation? intern natürliche Links
Q: What is quantum immortality? intern natürliche Links
Q: If you double your bet every time you lose, won’t you eventually win and come out ahead? intern natürliche Links
Q: Will we ever discover a completely new color? intern natürliche Links
Q: With entangled particles, can you tell when/how the other particle is measured? intern natürliche Links
Q: How hard would it be to keep the Moon from drifting away? intern natürliche Links
For the first time ever, you can buy a book! intern natürliche Links
Q: Where is all the anti-matter? intern natürliche Links
Q: Is it possible to write a big number using a small number? Is there a limit to how much information can be compressed? intern natürliche Links
Q: Is reactionless propulsion possible? intern natürliche Links
Q: How can I set up a random gift exchange that’s different from year to year? intern natürliche Links
Q: How does “1+2+3+4+5+… = -1/12” make any sense? intern natürliche Links
There’s something new under the Sun! intern natürliche Links
Q: Is it more efficient to keep keep a swimming pool warm or let it get cold and heat it up again? intern natürliche Links
Q: What determines the size of the bright spot when you focus sunlight with a lens? intern natürliche Links
Q: Why are numerical methods necessary? If we can’t get exact solutions, then how do we know when our approximate solutions are any good? intern natürliche Links
Burning Man 2017 intern natürliche Links
Q: How can something be “proven” in science or math? intern natürliche Links
Q: If time is relative, then how can we talk about how old the universe is? intern natürliche Links
Q: How can carbon dating work on things that were never alive? intern natürliche Links
Teleportation! In space! intern natürliche Links
Q: If the world is a giant magnet, how come we can’t build a repelling magnet that can float? intern natürliche Links
Q: How can something have different amounts of energy from different points of view? intern natürliche Links
Q: Where is the middle of nowhere? intern natürliche Links
Q: If light is a wave, then what’s doing the waving? intern natürliche Links
Q: If you’ve got different amounts of debt in different accounts with different interest rates, how should you pay them down? intern natürliche Links
Q: Should we be worried about artificial intelligence? By “we” I mean humans. intern natürliche Links
Q: Why haven’t we been able to see the spectra of anti-hydrogen until recently? Why is it so hard to study anti-matter? intern natürliche Links
Q: Does quantum mechanics really say there are other “mes”? Where are they? intern natürliche Links
Q: In base ten 1=0.999…, but what about in other bases? What about in base 1? intern natürliche Links
Q: How many samples do you need to take to know how big a set is? intern natürliche Links
Q: Does anti-matter really move backward through time? intern natürliche Links
Q: How do we know that everyone has a common anecestor? How do we know that someone alive today will someday be a common ancestor to everyone? intern natürliche Links
Q: Are some colors of light impossible? Can any color of light be made? intern natürliche Links
Proxima B! intern natürliche Links
Q: Is there anything unique about our solar system? intern natürliche Links
Q: What is dark energy? intern natürliche Links
Q: What are “actual pictures” of atoms actually pictures of? intern natürliche Links
Q: If you were shrunk to microscopic size would you be able to see normally? Would you be able to see microscopic things? intern natürliche Links
Q: How does one attain an understanding of everything? intern natürliche Links
Q: Can planes (sheets) be tied in knots in higher dimensions the way lines (strings) can be tied in knots in 3 dimensions? intern natürliche Links
Gravity Waves! intern natürliche Links
Q: Is it possible to parachute to Earth from orbit? intern natürliche Links
Q: Why can’t we see the lunar landers from the Apollo missions with the Hubble (or any other) telescope? intern natürliche Links
Q: How bad would it be if we accidentally made a black hole? intern natürliche Links
Q: What if gravity acted like magnetism? intern natürliche Links
Q: When you write a fraction with a prime denominator in decimal form it repeats every p-1 digits. Why? intern natürliche Links
Pluto! intern natürliche Links
Q: If atoms are 99.99% space, what “kind” of space is it? Is it empty vacuum? intern natürliche Links
Q: Is geocentrism really so wrong? Is the Sun being at the “center” (i.e. the Earth orbiting the Sun) just an arbitrary reference frame decision, and no more true than the Earth being at the center? intern natürliche Links
Q: Is there such a thing as half a derivative? intern natürliche Links
Q: Why is our Moon drifting away while Mars’ moons are falling? intern natürliche Links
Q: Why do we (people) wave our arms when we fall? Is it for attention? intern natürliche Links
Q: What is the state of matter in deep space? intern natürliche Links
Q: Is there a scientific conspiracy? intern natürliche Links
Q: After the heat death of the universe will anything ever happen again? intern natürliche Links
Q: Why does kinetic energy increase as velocity squared? intern natürliche Links
Q: Quaternions and Octonions: what? intern natürliche Links
Q: Since the Earth is spinning and orbiting and whatnot, are we experiencing time wrong because of time dilation? intern natürliche Links
Q: How do I know my windmill is on straight? intern natürliche Links
Q: If all matter originated from a single point, does that mean all matter is entangled? intern natürliche Links
Q: How good is the Enigma code system compared to today’s publicly available cryptography systems? intern natürliche Links
Q: When “drawing straws” is it better to be first or last? intern natürliche Links
Q: What would happen if there was a giant straw connecting the Earth’s atmosphere right above the ground to space? intern natürliche Links
Q: Can a human being survive in the fourth dimension? intern natürliche Links
Q: Why radians? intern natürliche Links
Q: If the Sun pulls things directly toward it, then why does everything move in circles around it? intern natürliche Links
0.999… revisited intern natürliche Links
Q: Before you open the box, isn’t Schrödinger’s cat alive or dead, not alive and dead? intern natürliche Links
Q: How many times do you need to roll dice before you know they’re loaded? intern natürliche Links
Q: Since it involves limits, is calculus always an approximation? intern natürliche Links
Q: How does Earth’s magnetic field protect us? intern natürliche Links
Q: If a long hot streak is less likely than a short hot streak, then doesn’t that mean that the chance of success drops the more successes there are? intern natürliche Links
Q: Where do the rules for “significant figures” come from? intern natürliche Links
Q: If time slows down when you travel at high speeds, then couldn’t you travel across the galaxy within your lifetime by just accelerating continuously? intern natürliche Links
Q: When something falls on your foot, how much force is involved? intern natürliche Links
Q: If nothing can escape a black hole’s gravity, then how does the gravity itself escape? intern natürliche Links
Q: Is there a formula for finding primes? Do primes follow a pattern? intern natürliche Links
Q: If the number of ancestors you have doubles with each generation going back, you quickly get to a number bigger than the population of Earth. Does that mean we’re all a little inbred? intern natürliche Links
Q: Why are many galaxies, our solar system, and Saturn’s rings all flat? intern natürliche Links
Q: How do you define the derivatives of the Heaviside, Sign, Absolute Value, and Delta functions? How do they relate to one another? intern natürliche Links
Q: Is it possible to have a completely original thought? intern natürliche Links
Q: How can the universe expand faster than the speed of light? intern natürliche Links
Q: How fast are we moving through space? Has anyone calculated it? intern natürliche Links
Q: If you flip a coin forever, are you guaranteed to eventually flip an equal number of heads and tails? intern natürliche Links
Q: What is radioactivity and why is it sometimes dangerous? intern natürliche Links
Q: How do we know that π never repeats? If we find enough digits, isn’t it possible that it will eventually start repeating? intern natürliche Links
Q: Why does carbon dating detect when things were alive? How are the atoms in living things any different from the atoms in dead things? intern natürliche Links
Q: What role does Dark Matter play in the behavior of things inside the solar system? intern natürliche Links
Q: Are some number patterns more or less likely? Are some betting schemes better than others? intern natürliche Links
Q: Why does iron kill stars? intern natürliche Links
Q: According to relativity, things get more massive the faster they move. If something were moving fast enough, would it become a black hole? intern natürliche Links
Q: How do we know that atomic clocks are accurate? intern natürliche Links
Q: “i” had to be made up to solve the square root of negative one. But doesn’t something new need to be made up for the square root of i? intern natürliche Links
Q: Could the tidal forces of the Sun and Moon be used to generate power directly? intern natürliche Links
Q: What would it be like if another planet just barely missed colliding with the Earth? intern natürliche Links
Q: What are “delayed choice experiments”? Can “wave function collapse” be used to send information? intern natürliche Links
Q: Why can some creatures walk on water yet I (a human) can’t? intern natürliche Links
Q: What fair dice can be simulated by adding up other dice? intern natürliche Links
Q: How do I encrypt/hide/protect my email? intern natürliche Links
Q: Where do the weird rules for rational numbers come from? (Dealing with fractions) intern natürliche Links
Dragon*Con 2013 intern natürliche Links
Q: Why doesn’t the air “sit still” while the Earth turns under it? intern natürliche Links
Q: Can resonance be used to destroy anything? Is the “brown note” possible? intern natürliche Links
Q: Are there examples of quantum mechanics that can be seen in every-day life, or do they only show up in the lab? intern natürliche Links
Q: Why does it take thousands of years for light to escape the Sun? intern natürliche Links
Q: What does it mean for light to be stopped or stored? intern natürliche Links
Q: What are quasi-particles? Why do phonons and photons have such similar names? intern natürliche Links
The nuptial effect intern natürliche Links
Q: How do you prove that the spacetime interval is always the same? intern natürliche Links
Q: Are numbers real? intern natürliche Links
Q: If time were reversed would things fall up? intern natürliche Links
Q: Why don’t “cheats” ever work on the uncertainty principle? What’s uncertain in the uncertainty principle? intern natürliche Links
Q: Do the past and future exist? If they do, is the future determined and what does that mean for quantum randomness? intern natürliche Links
Basic math with infinity intern natürliche Links
Q: What is the Planck length? What is its relevance? intern natürliche Links
Q: What causes friction? (and some other friction questions) intern natürliche Links
Q: Is fire a plasma? What is plasma? intern natürliche Links
Q: Why are determinants defined the weird way they are? intern natürliche Links
Q: Are white holes real? intern natürliche Links
Q: If a photon doesn’t experience time, then how can it travel? intern natürliche Links
Q: Why is Schrodinger’s cat both dead and alive? Is this not a paradox? intern natürliche Links
Q: What kind of telescope would be needed to see a person on a planet in a different solar system? intern natürliche Links
Q: Is Murphy’s law real? intern natürliche Links
Q: Why doesn’t life and evolution violate the second law of thermodynamics? Don’t living things reverse entropy? intern natürliche Links
Q: Does quantum mechanics really say that there’s some probability that objects will suddenly start moving or that things can suddenly “shift” to the other side of the universe? intern natürliche Links
Q: Using modern technology, are we any closer to turning lead into gold than alchemists were hundreds of years ago? intern natürliche Links
Q: How do you turn/change directions in space? intern natürliche Links
Q: If a man hangs on an un-insulated wire using both his hands what will happen and why? intern natürliche Links
Learning intro number theory intern natürliche Links
Q: Is the Alcubierre warp drive really possible? How close are we to actually building one and going faster than light? intern natürliche Links
Q: Is darkness a wave the way light is a wave? What is the speed of dark? intern natürliche Links
Q: Is it a coincidence that a circles circumference is the derivative of its area, as well as the volume of a sphere being the antiderivative of its surface area? What is the explanation for this? intern natürliche Links
Q: If hot air rises, why is it generally colder at higher elevations? intern natürliche Links
Q: What is quantum teleportation? Why can’t we use it to communicate faster than light? intern natürliche Links
Q: Since all particles display wave-like characteristics, does that imply that one could use destructive wave interference to destroy or at least drastically change a particle? intern natürliche Links
Q: How does the Oberth Effect work, and where does the extra energy come from? Why is it better for a rocket to fire at the lowest point in its orbit? intern natürliche Links
Q: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren’t you making a point hotter than the ambient temperature without losing energy? intern natürliche Links
Q: What makes natural logarithms natural? What’s so special about the number e? intern natürliche Links
Q: If the world were to stop spinning, would the people and everything on it be considered ‘lighter’ or ‘heavier’? Would any change take place? And does centrifugal force have an effect on gravity? intern natürliche Links
Q: Two entangled particles approach a black hole, one falls in and the other escapes. Do they remain entangled? What about after the black hole evaporates? intern natürliche Links
Q: If there are 10 dimensions, then why don’t we notice them? intern natürliche Links
Q: Will the world end tomorrow? intern natürliche Links
Q: In an infinite universe, does everything that’s possible have to happen somewhere? intern natürliche Links
Q: Which of Earth’s life forms could survive on each planet of the Solar System? intern natürliche Links
Q: What are fractional dimensions? Can space have a fractional dimension? intern natürliche Links
Q: Are shadows 2-dimensional? Are there any real examples of 2-dimensional things in the universe? intern natürliche Links
Q: Is it possible to experience different rates of time? If time were to speed up, slow down, or stop, what would you experience? intern natürliche Links
Q: How many theorems are there? intern natürliche Links
Q: How much of a direct effect do planets and stars have on us? Is astrology reasonable or plausable? intern natürliche Links
Q: Why are scientists looking for life in space by looking for water? How can they be sure that all life uses water? intern natürliche Links
Q: If energy is neither created nor destroyed, what happens to the energy within our bodies and brains when we die? intern natürliche Links
Q: Could Kurt Vonnegut’s “Ice-9 catastrophe” happen? intern natürliche Links
Q: How accurately do we need to know π? Is there a reason to know it out to billions of digits? intern natürliche Links
My bad: If fusion in the Sun suddenly stopped, what would happen? intern natürliche Links
Q: If fusion in the Sun suddenly stopped, what would happen? intern natürliche Links
Q: Does opening a refrigerator cool down the room? intern natürliche Links
Q: What is the probability of an outcome after it’s already happened? intern natürliche Links
Q: How do you answer a question scientifically? intern natürliche Links
Q: Why are the days still longer than nights, until a few days after the fall equinox? intern natürliche Links
Q: What is a Fourier transform? What is it used for? intern natürliche Links
Q: What are singularities? Do they exist in nature? intern natürliche Links
Q: Is it likely that there are atoms in my body that have traveled from the other side of the planet, solar system, galaxy, or universe? intern natürliche Links
Q: Is there a number set that is “above” complex numbers? intern natürliche Links
Q: Are the brain and consciousness quantum mechanical in nature? intern natürliche Links
Q: How are voltage and current related to battery life? What is the difference between batteries with the same voltage, but different shapes or sizes? What about capacitors? intern natürliche Links
Q: What are virtual particles? intern natürliche Links
Q: Would it be possible to create an antimatter weapon by “harvesting” enough antimatter, containing it in an electro-magnetic field and placing that in a projectile? intern natürliche Links
Q: If Earth was flat, would there be a horizon? If so, what would it look like? If the Earth was flat and had infinite area, would that change the answer? intern natürliche Links
Q: Is there an experiment which could provide conclusive evidence for either the Many Worlds or Copenhagen interpretations of quantum physics? intern natürliche Links
Q: If you could drill a tunnel through the whole planet and then jumped down this tunnel, how would you fall? intern natürliche Links
Q: How many people riding bicycle generators would be needed, in an 8-hour working day, to equal or surpass the energy generated by an average nuclear power plant? intern natürliche Links
Q: Why is hitting water from a great height like hitting concrete? intern natürliche Links
Q: How does instantaneous communication violate causality? intern natürliche Links
Q: What is the “False Vacuum” and are we living in it? intern natürliche Links
Q: How would the universe be different if π = 3? intern natürliche Links
Q: Is it possible for an artificial black hole to be created, or something that has the same effects? If so, how small could it be made? intern natürliche Links
Q: Do colors exist? intern natürliche Links
Q: How can we see the early universe and the Big Bang? Shouldn’t the light have already passed us? intern natürliche Links
Q: Are beautiful, elegant or simple equations more likely to be true? intern natürliche Links
Q: If quantum mechanics says everything is random, then how can it also be the most accurate theory ever? intern natürliche Links
Q: Why do wet stones look darker, more colorful, and polished? intern natürliche Links
Q: What would the universe be like with additional temporal dimensions? intern natürliche Links
The 2012 Venus transit intern natürliche Links
Q: Why haven’t we discovered Earth-like planets yet? intern natürliche Links
Q: Is quantum randomness ever large enough to be noticed? intern natürliche Links
Q: How is radiometric dating reliable? Why is it that one random thing is unpredictable, but many random things together are predictable? intern natürliche Links
Q: Is the final step in evolution an ascension into an energy-based lifeform? intern natürliche Links
Q: What would life be like in higher dimensions? intern natürliche Links
Q: How much does fire weigh? intern natürliche Links
Q: Since the real-world does all kinds of crazy calculations in no time, can we use physics to calculate stuff? intern natürliche Links
Q: Is there some way to actually play quidditch? intern natürliche Links
Q: Can you poke something that’s far away with a stick faster than it would take light to get there? intern natürliche Links
Q: Does how you deal cards affect how random they are? intern natürliche Links
Q: Will CERN awaken the Elder Gods? intern natürliche Links
Q: The information contained in a big system isn’t the same as the amount of information in its parts. Why? intern natürliche Links
Q: Is the quantum zeno effect a real thing? intern natürliche Links
π day! intern natürliche Links
Q: Is there an intuitive proof for the chain rule? intern natürliche Links
Q: How do you write algorithms to enycrypt things? intern natürliche Links
Q: Satellites experience less time because they’re moving fast, but more time because they’re so high. Is there an orbit where the effects cancel out? Is that useful? intern natürliche Links
Q: Is it possible to objectively quantify the amount of information a sentence contains? intern natürliche Links
Q: What would happen if a black hole passed through our solar system? intern natürliche Links
Q: If you are talking to a distant alien, how would you tell them which way is left and which way is right? intern natürliche Links
Q: Would it be possible in the distant future to directly convert matter into energy? intern natürliche Links
Q: What’s the difference between anti-matter and negative-matter? intern natürliche Links
Q: Why does gravity make some things orbit and some things fall? intern natürliche Links
Q: Do you need faith to believe in science? intern natürliche Links
Q: What keeps spinning tops upright? intern natürliche Links
Q: Do time and distance exist in a completely empty universe? intern natürliche Links
Q: Why is it that photographs of wire mesh things, like window screens and grates, have waves in them? intern natürliche Links
Q: How does quantum physics affect electron configurations and spectral lines? intern natürliche Links
Q: Is it possible for an atomic orbital to exist beyond the s, p, f and d orbitals they taught about in school? Like could there be a (other letter) orbital beyond that? intern natürliche Links
Q: Will the world end in 2012? intern natürliche Links
Q: How do you find the height of a rocket using trigonometry? intern natürliche Links
Q: What are chaos and chaos theory? How can you talk about chaos? intern natürliche Links
Q: What is the Riemann Hypothesis? Why is it so important? intern natürliche Links
Twitter intern natürliche Links
Q: Why does the entropy of the universe always increase, and what is the heat death of the universe? intern natürliche Links
Q: Could God have existed forever? Is it actually feasibly possibly for some ‘being’ to have just existed, infinitely? intern natürliche Links
Q: How can wormholes be used for time travel? intern natürliche Links
Q: If gravity suddenly increased would airplanes fall out of the sky, or would it compress the air in such a way that airplanes could keep flying? intern natürliche Links
Entanglement omnibus! intern natürliche Links
Q: How are imaginary exponents defined? intern natürliche Links
Q: Why do nuclear weapons cause EMPs (electromagnetic pulses)? intern natürliche Links
Q: How does the expansion of space affect the things that inhabit that space? Are atoms, people, stars, and everything else getting bigger too? intern natürliche Links
Q: What would Earth be like if it didn’t turn? intern natürliche Links
Q: According to the Many Worlds Interpretation, every event creates new universes. Where does the energy and matter for the new universes come from? intern natürliche Links
Q: Can wind chill make things “feel” colder than absolute zero? intern natürliche Links
Q: What is “spin” in particle physics? Why is it different from just ordinary rotation? intern natürliche Links
Q: What is Bayes’ rule and how do I use it to improve my life? intern natürliche Links
Q: Are there universal truths? intern natürliche Links
Q: What’s the difference between black holes and worm holes? Could black holes take you to other universes? intern natürliche Links
Q: Is there an equation that determines whether a question gets answered on ask a mathematician/physicist? intern natürliche Links
Q: If you could hear through space as though it were filled with air, what would you hear? intern natürliche Links
Q: What is the three body problem? intern natürliche Links
Q: How are fractals made? intern natürliche Links
Q: CERN’s faster than light neutrino thing: WTF? intern natürliche Links
Q: What’s the point of purely theoretical research? intern natürliche Links
Q: Why does lightning flash, but thunder rolls? intern natürliche Links
Q: Hyperspace, warp drives, and faster than light travel: why not? intern natürliche Links
Burning Man 2011 intern natürliche Links
Q: If light slows down in different materials, then how can it be a universal speed? intern natürliche Links
Q: What is mass? intern natürliche Links
Q: How much of physics can be deduced from previous equations/axioms? intern natürliche Links
Q: If God were all-seeing and all-knowing, the double-slit experiment wouldn’t work, would it? Wouldn’t God’s observation of the location of the photon collapse its probability wave function? intern natürliche Links
Q: How do those “executive ball clicker” things work? intern natürliche Links
Q: Why is cold fusion so difficult? intern natürliche Links
Q: Why does light choose the “path of least time”? intern natürliche Links
Q: Does light experience time? intern natürliche Links
Q: Would it be possible for humans to terraform mars? intern natürliche Links
Q: Can light be used to transfer energy instead of power lines? intern natürliche Links
Particle physics, neutrinos, and chirality too! intern natürliche Links
Q: What are integral transforms and how do they work? intern natürliche Links
Q: How does reflection work? intern natürliche Links
Q: What does a measurement in quantum mechanics do? intern natürliche Links
Q: If you stood in the beam of a particle accelerator, what would happen? intern natürliche Links
Q: What exactly is the vacuum catastrophe and what effects does this have upon our understanding of the universe? intern natürliche Links
Q: What is a “measurement” in quantum mechanics? intern natürliche Links
Q: How close is Jupiter to being a star? What would happen to us if it were? intern natürliche Links
Q: Can you fix the “1/0 problem” by defining 1/0 as a new number? intern natürliche Links
Q: How can we have any idea what a 4D hypercube or any n-D object “looks like”? What is the process of developing a picture of a higher dimensional object? intern natürliche Links
Q: Is it possible to destroy a black hole? intern natürliche Links
Q: Why does the Earth orbit the Sun? intern natürliche Links
Q: If you suddenly replaced all the water drops in a rainbow with same-sized spheres of polished diamond, what would happen to the rainbow? How do you calculate the size of a rainbow? intern natürliche Links
Q: If we meet aliens, will they have the same math and physics that we do? intern natürliche Links
Q: Is 0.9999… repeating really equal to 1? intern natürliche Links
Q: What would Earth be like to us if it were a cube instead of spherical? Is this even possible? intern natürliche Links
Q: How do velocities add? If I’m riding a beam of light and I throw a ball, why doesn’t the ball go faster than light? intern natürliche Links
Q: What is the universe expanding into? What’s outside the universe? intern natürliche Links
Cheap experiments and demonstrations for kids. intern natürliche Links
Q: How do I estimate the probability that God exists? intern natürliche Links
Q: How do you calculate 6/2(1+2) or 48/2(9+3)? What’s the deal with this orders of operation business? intern natürliche Links
Q: Is there a single equation that proves black holes are real? intern natürliche Links
Q: Is the edge of a circle with an infinite radius curved or straight? intern natürliche Links
Q: As a consequence of relativity, objects becomes more massive when they’re moving fast. What is it about matter that causes that to happen? intern natürliche Links
Q: What is the evidence for the Big Bang? intern natürliche Links
Q: Is there a formula to find the Nth term in the Fibonacci sequence? intern natürliche Links
Q: Why is the integral/antiderivative the area under a function? intern natürliche Links
Thank you! intern natürliche Links
Mathematical proof of the existence of God. intern natürliche Links
Video: Getting Computers to Learn intern natürliche Links
Q: What is going on in a nuclear reactor, and what happens during a meltdown? intern natürliche Links
Q: How do I find the love of my life? (a Mathematician’s perspective) intern natürliche Links
Q: Are all atoms radioactive? intern natürliche Links
Q: How do you talk about the size of infinity? How can one infinity be bigger than another? intern natürliche Links
Q: What are the equations of electromagnetism? What all do they describe to us? intern natürliche Links
Q: What is the entropy of nothing? intern natürliche Links
Q: How can quantum computers break encryption? intern natürliche Links
Q: How does quantum computing work? intern natürliche Links
Q: What causes buoyancy? intern natürliche Links
My bad: If atoms are mostly made up of empty space, why do things feel solid? intern natürliche Links
Q: How many mathematicians/physicists does it take to screw in a light bulb? intern natürliche Links
Q: Why is it that (if you exclude 2 & 3) the difference between the squares of any two prime numbers is divisible by 12? intern natürliche Links
Q: Why does relativistic length contraction (Lorentz contraction) happen? intern natürliche Links
Q: Why does Lorentz contraction only act in the direction of motion? intern natürliche Links
Q: If atoms are mostly made up of empty space, why do things feel solid? intern natürliche Links
Q: Can we build a planet? intern natürliche Links
Q: π = 4? intern natürliche Links
Q: How does a scientist turn ideas into math? intern natürliche Links
Q: Is Santa real? intern natürliche Links
Q: Why isn’t the shortest day of the year also the day with the earliest sunset? intern natürliche Links
Q: Why does “curved space-time” cause gravity?: A better answer. intern natürliche Links
Q: According to relativity, two moving observers always see the other moving through time slower. Isn’t that a contradiction? Doesn’t one have to be faster? intern natürliche Links
Q: What does 0^0 (zero raised to the zeroth power) equal? Why do mathematicians and high school teachers disagree? intern natürliche Links
Q: Can you do the double slit experiment with a cat cannon? intern natürliche Links
Q: How is the “Weak nuclear force” a force? What does it do? intern natürliche Links
Q: Does Gödel’s Incompleteness Theorem imply that it’s impossible to be logical? intern natürliche Links
Q: If accelerating charges radiate, and everything is full of charges, then why don’t I radiate every time I move? intern natürliche Links
Q: If you zoom in far enough, what do particles look like? intern natürliche Links
Q: What would you experience if you were going the speed of light? intern natürliche Links
Q: Why is pi not a definite number? intern natürliche Links
Q: What came before the big bang? intern natürliche Links
Q: How do “Numerology Math Tricks” work? (adding digits and tricks with nines) intern natürliche Links
Q: What is a magnetic field? intern natürliche Links
Q: What is the probability that two randomly chosen people will have been born on the same day? intern natürliche Links
Q: Which is a better approach to quantum mechanics: Copenhagen or Many Worlds? intern natürliche Links
Q: Why is our vision blurred underwater? intern natürliche Links
Q: In the NEC “faster than light” experiment, did they really make something go faster than light? intern natürliche Links
Q: How does a Tesla coil work? intern natürliche Links
Q: What are Feynman diagrams, how are they used (theoretically & practically), and are there alternative/competing diagrams to Feynman’s? intern natürliche Links
Q: Does the 2nd law of thermodynamics imply that everything must eventually die, regardless of the ultimate fate of the universe? intern natürliche Links
Q: What is The Golden Ratio? How is it used in Mathematics? intern natürliche Links
Q: Why can’t you have an atom made entirely out of neutrons? intern natürliche Links
Q: What is the physical meaning of “symmetries”? Why is there one-to-one correspondence between laws of conservation and symmetries? Why is it important that there is such correspondence? intern natürliche Links
Q: Why does energy have to be positive (and real)? intern natürliche Links
Q: How does the Twin Paradox work? intern natürliche Links
Q: How can photons have energy and momentum, but no mass? intern natürliche Links
Q: If you were on the inside of the Sun falling in, the matter closer to the surface doesn’t affect your acceleration, but the matter closer to the core does. Why is that? intern natürliche Links
Q: How do surge protectors work? intern natürliche Links
Relativity and Quantum Mechanics: the elevator pitch intern natürliche Links
Q: Why are orbits elliptical? Why is the Sun in one focus, and what’s in the other? intern natürliche Links
Q: What would happen if everyone in the world jumped at the same time? intern natürliche Links
Q: How can electrons “jump” between places without covering the intervening distance? intern natürliche Links
Q: Why do we only see one rainbow at a time? intern natürliche Links
Q: Why does putting spin on a ball change how it moves through the air? intern natürliche Links
Quantum mech, choices, and time travel too! intern natürliche Links
Q: Why is the speed of light finite? intern natürliche Links
Q: Why is the speed of light the fastest speed? Why is light so special? intern natürliche Links
Q: Will we ever overcome the Heisenberg uncertainty principle? intern natürliche Links
Q: If gravity is the reaction matter has on space, in that it warps space, why do physicist’s look for a gravity particle? Wouldn’t gravity be just a bi-product of what matter does to space? intern natürliche Links
Q: Is it possible to beat the laws of physics? intern natürliche Links
Q: What’s the chance of getting a run of K or more successes (heads) in a row in N Bernoulli trials (coin flips)? Why use approximations when the exact answer is known? intern natürliche Links
Q: Aren’t physicists just doing experiments to confirm their theories? Couldn’t they “prove” anything they want? intern natürliche Links
Q: What’s up with that “bowling ball creates a dip in a sheet” analogy of spacetime? Isn’t it gravity that makes the dip in the first place? intern natürliche Links
Q: If we find a “Theory of Everything” will we be done? intern natürliche Links
Q: Is it possible to say if the Earth is moving or sitting still without going into space? intern natürliche Links
Q: Will there always be things that will not or cannot be known? intern natürliche Links
Q: If you could see through the Earth, how big would Australia look from the other side? intern natürliche Links
Q: How is it that Bell’s Theorem proves that there are no “hidden variables” in quantum mechanics? How do we know that God really does play dice with the universe? intern natürliche Links
Q: Does an electric field have mass? Does it take energy to move an electric field? intern natürliche Links
Q: What would the consequenses for our universe be if the speed of light was only about one hundred miles per hour? intern natürliche Links
Q: Do virtual particles violate the laws that energy can be created or destroyed? Have virtual particles ever been observed? In any other instance can energy ever be destroyed or created? intern natürliche Links
Video: How do we know that 1+1=2? A journey into the foundations of math. intern natürliche Links
Q: Would it be possible to generate power from artificial lightning? intern natürliche Links
Q: What is the optimum spectrum to visualize things with? Theoretically, which type of vision would be the best to see things with? intern natürliche Links
Q: What causes iron, nickel, and cobalt to be attracted to magnets, but not other metals? intern natürliche Links
Q: Is it possible to fill a black hole? If you were to continuously throw galaxies worth of matter into a black hole, would it ever fill up? And what would theoretically happen if all the matter in the universe was thrown into a single black hole? intern natürliche Links
Q: Can math and science make you better at gambling? intern natürliche Links
Q: Spectroscopy? intern natürliche Links
Q: Is it possible to breach the center of a nebula? intern natürliche Links
Q: If energy is quantized, what is the least amount of energy possible? And how did they measure it? intern natürliche Links
Q: How did Lord Kelvin come up with the absolute temperature? I mean, how could he say surely that it was 273.15 C below zero? intern natürliche Links
Q: What do complex numbers really mean or represent? intern natürliche Links
Q: Is it odd that the universe’s constants are all so perfectly conducive to life? intern natürliche Links
Q: How/when will the world end? intern natürliche Links
Q: What would happen if an unstoppable force met with an unmovable, impenetrable object? intern natürliche Links
My bad: Have aliens ever visited Earth? intern natürliche Links
Q: How do Bell pairs (entangled particles) behave experimentally? intern natürliche Links
Video: What your Spiritual Guru Never Told you about Quantum Mechanics intern natürliche Links
Q: How big does an object have to be to gravitationally attract a Human or have a molten core? intern natürliche Links
Video: The Scientific Investigation of Aliens – Evidence Examined intern natürliche Links
Q: How do I count the number of ways of picking/choosing/taking k items from a list/group/set of n items when order does/doesn’t matter? intern natürliche Links
Q: Who would win in a fight: Gödel or Feynman? intern natürliche Links
Q: How hard would it be to make a list of products of primes that could beat public key encryption? intern natürliche Links
Q: What are complex numbers used for? intern natürliche Links
Q: Can one truly create something from nothing? If matter formed from energy (as in the Big Bang expansion), where did the energy come from? intern natürliche Links
Q: Why does wind make you colder, but re-entry makes you hotter? intern natürliche Links
Q: Are explosions more or less powerful in space? intern natürliche Links
Q: What is infinity? (A brief introduction to infinite sets, infinite limits, and infinite numbers) intern natürliche Links
Q: Are there physical limits in the universe other than the speed of light? intern natürliche Links
Q: Is it of any coincidence that mathematics is able to describe physical reality – given that both are inventions of the human mind? intern natürliche Links
Q: If you were to break down an average human body into its individual atoms, and then laid the atoms out in a single straight line, how far would it stretch? intern natürliche Links
Q: What’s it like when you travel at the speed of light? intern natürliche Links
Q: Is there a real life example where two negatives make a positive? intern natürliche Links
Q: Do the “laws” of physics and math exist? If so, where? Are they discovered or invented/created by humans? intern natürliche Links
Q: Do we have free will? intern natürliche Links
Q: How did mathematicians calculate trig functions and numbers like pi before calculators? intern natürliche Links
Q: How can planes fly upside-down? intern natürliche Links
Q: A flurry of blackhole questions! intern natürliche Links
Q: Why does going fast or being lower make time slow down? intern natürliche Links
Q: What’s so special about the Gaussian distribution (i.e. the normal distribution / bell curve)?? intern natürliche Links
Q: Is the universe infinitely old? intern natürliche Links
Q: Have aliens ever visited Earth? intern natürliche Links
Q: Why is the sky blue? intern natürliche Links
Q: Is there a formula for how much water will splash, most importantly how high, and in what direction from the toilet bowl when you *ehem* take a dump in it ? intern natürliche Links
Q: What is the meaning of the term “random”? Can thinking affect the future? intern natürliche Links
Q: Is it possible to choose an item from an infinite set of items such that each one has an equal chance of being selected? intern natürliche Links
Q: Do aliens exist? intern natürliche Links
Q: Is it true that all matter is simply condensed energy? intern natürliche Links
Q: Which is better: Math or Physics? intern natürliche Links
Q: Why is the number 1 not considered a prime number? intern natürliche Links
Q: If the universe is expanding and all the galaxies are moving away from one another, how is it possible for galaxies to collide? intern natürliche Links
Q: What happens when you fall into a blackhole? intern natürliche Links
Q: Is the total complexity of the universe growing, shrinking or staying the same? intern natürliche Links
Q: If two trains move towards each other at certain velocities, and a fly flies between them at a certain constant speed, how much distance will the fly cover before they crash? intern natürliche Links
Q: Why does oxygen necessarily indicate the presence of life? intern natürliche Links
Q: What’s the relationship between entropy in the information-theory sense and the thermodynamics sense? intern natürliche Links
Q: Would it be possible to kill ALL of Earth’s life with nuclear bombs? intern natürliche Links
Q: Will black holes ever release their energy and will we be able to tell what had gone into them? intern natürliche Links
Q: What are the Intersecting Chord and Power of a Point Theorems? intern natürliche Links
Q: How far away is the edge of the universe? intern natürliche Links
Q: Why do superconductors have to be cold? intern natürliche Links
Q: Why does the leading digit 1 appear more often than other digits in all sorts of numbers? What’s the deal with Benford’s Law? intern natürliche Links
Q: How does the Monty Hall Problem work? intern natürliche Links
Q: How/Why are Quantum Mechanics and Relativity incompatible? intern natürliche Links
Q: What the heck are imaginary numbers, how are they useful, and do they really exist? intern natürliche Links
Q: What’s that third hole in electrical outlets for? intern natürliche Links
Q: Do physicists really believe in true randomness? intern natürliche Links
Q: Could a simple cup of coffee be heated by a hand held device designed to not only mix but heat the water through friction, and is that more efficient than heating on a stove and then mixing? intern natürliche Links
Q: What did Einstein mean by: “Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.” intern natürliche Links
Q: Why does saliva boil in the vacuum of space? intern natürliche Links
Q: Can things really be in two places at the same time? intern natürliche Links
Q: Why do weird things happen so much? intern natürliche Links
Q: Why? intern natürliche Links
Q: Will CERN create a black hole? intern natürliche Links
Q: What’s the highest population growth rate that the Earth can support? intern natürliche Links
Q: What is time? intern natürliche Links
Q: What is “Dark Matter”? intern natürliche Links
Q: Why do heavy objects bend space and what is it they are bending? intern natürliche Links
Q: Why does math work so well at modeling the world around us? intern natürliche Links
Q: Why is it that when you multiply a positive number with a negative number you get a negative number? intern natürliche Links
Q: What is the best way to understand relativity theory? Why is it so counter intuitive? intern natürliche Links
Q: Will we ever go faster than light? intern natürliche Links
Q: If you were on a space station, would you be able to tell the difference between centrifugal force and normal gravity? intern natürliche Links
Q: Is teleportation possible? intern natürliche Links
Q: If black holes are “rips” in the fabric of our universe, does it mean they lead to other universes? If so, then did time begin in that universe at the inception of the black hole? Could we be in a black hole? intern natürliche Links
Q: Since pi is infinite, do its digits contain all finite sequences of numbers? intern natürliche Links
Q: What is the connection between quantum physics and consciousness? intern natürliche Links
Q: What is the probability that in a group of 31 people, none of them have birthdays in February or August? intern natürliche Links
Q: What is the meaning of life? intern natürliche Links
Q: Why is e to the i pi equal to -1? intern natürliche Links
Q: How does a refrigerator work? intern natürliche Links
Q: How do I find the love of my life? intern natürliche Links
Q: Why does “curved space-time” cause gravity? intern natürliche Links
Q: What is monotony? intern natürliche Links
Q: How do we know if science is right? intern natürliche Links
Q: How plausible is it that the laws of physics may actually function differently in other parts of the universe? intern natürliche Links
Q: Are there an infinite number of prime numbers? intern natürliche Links
Q: How can we prove that 2+2 always equals 4? intern natürliche Links
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