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

http://askamathematician.com/sitemap.xml
https://www.askamathematician.com/sitemap.xml
https://www.askamathematician.com/news-sitemap.xml
Robots.txt http://askamathematician.com/robots.txt

Perfeito, o seu site tem um ficheiro robots.txt.
Analytics Perfeito, o site tem uma ferramenta analítica para a análise de atividade.

   Google Analytics

PageSpeed Insights

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