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askamathematician.com

Evaluation du site askamathematician.com

 Généré le 04 Juin 2021 16:22

Vieilles statistiques? UPDATE !


Le score est de 44/100

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Titre

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



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

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

Votre site dispose d’un fichier robots.txt, ce qui est optimal.
Mesures d'audience Votre site web dispose d’une outil d'analytics, ce qui est optimal.

   Google Analytics

PageSpeed Insights

Dispositif
Les catégories

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