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



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

Grande, il vostro sito ha un file robots.txt.
Analytics Grande, il vostro sito ha uno strumento di analisi dei dati.

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