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• If our planet was full of volcanic dust in the air, would it help if we could "see" Xrays?

  Asked by wundayatta | 6 responses

• Can you steer me in the right direction for my graduation project?

  Asked by Parrappa | 13 responses

• What length of an alloy wire of resistivity 5.0x10^-7 Ωm and diameter 0.50mm is required to make a standard 6.0Ω resistor?

  Asked by hillo | 15 responses

• Have you read the short story / thought experiment called God's Debris? If so this could be a chance to discuss what you thought of it, if not this is your chance to read it.

  Asked by RareDenver | 15 responses

• Would you say that God IS the entire universe?

  Asked by google | 87 responses

• Best physics/astrophysics book?

  Asked by Christian95 | 5 responses

• Why do we prefix "degree" in temperature measurement scales?

  Asked by zaphod | 10 responses

• What's that weird flutter in air when only one window is down in a car?

  Asked by drewwhitney | 7 responses

• Why does Stoke's Law (sedimentation) not work for measuring sand-size fractions?

  Asked by MissAnthrope | 3 responses

• How would racing be different if the winner were determined by total time in the lead?

  Asked by ben | 14 responses

• Why E=mc2?

  Asked by Christian95 | 30 responses

• What will happen when the earth's core cools?

  Asked by RareDenver | 16 responses

• I have an equation calling for the use of "log" and I don't really understand how to use it.

  Asked by MissAnthrope | 6 responses

• Why don't we use Tesla's wireless energy transmission?

  Asked by tramnineteen | 17 responses

• A question about the aeroplane on a treadmill. Can you solve this conundrum?

  Asked by ragingloli | 48 responses

• Science question: What happens if you shoot an antihydrogen atom into a mercury atom?

  Asked by mattbrowne | 8 responses

• Does the human body have resonance frequency?

  Asked by Christian95 | 6 responses

• What effects on its surroundings do you expect from an object moving at relativistic speeds?

  Asked by ragingloli | 3 responses

• The average person passes out at an acceleration of 7g (that is, seven times the gravitational acceleration on Earth). Suppose a car is designed to accelerate at this rate. How much time (in seconds) would be required for the car to accelerate from rest to 56.3 miles per hour?

  Asked by katob3 | 25 responses

• What causes Valley Oak trees to make noise?

  Asked by MystifiedInCalifornia | 4 responses

• Would my helicopter land in a different place?

  Asked by rebbel | 8 responses

• I've been asked to find the temperature to which a 20.0°C gas must be raised to increase its root mean square (rms) speed by a given percentage. Is this possible without knowing the identity of the gas?

  Asked by HeroicZach | 4 responses

• How do you figure out the percent uncertainty in the volume of a sphere when you know its radius with a particular degree of certainty?

  Asked by HeroicZach | 3 responses

• Is it theoretically possible to "predict the future?"?

  Asked by ABoyNamedBoobs03 | 91 responses

• Do you belive that God really exist?

  Asked by Christian95 | 112 responses

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