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• When you hold a mirror in front of another mirror, do the repeated images that are reflected back go on forever?

  Asked by MRSHINYSHOES | 10 responses

• NSFW How's it hangin'?

  Asked by Earthgirl | 112 responses

• Is there a universal law of ponytail rotation?

  Asked by majorrich | 25 responses

• How deep does a submarine have to dive to no longer feel the effects of a storm?

  Asked by mattbrowne | 1 response

• If you are sealed into a sphere with a highly mirrored interior and you turn on a flashlight and then turn it off will the interior stay lit up?

  Asked by Ltryptophan from iPhone | 13 responses

• When we harness tidal energy from the moon, what energy source is depleted?

  Asked by ben | 35 responses

• What would happen if a hole was drilled straight through the Earth from one side to the other and someone jumped in?

  Asked by tomatrondroid | 60 responses

• If something didn't happen, how can it be said that it was ever possible?

  Asked by ninjacolin | 125 responses

• Who created the creator?

  Asked by ETpro | 137 responses

• How does gravitational slingshotting work?

  Asked by SmashTheState | 15 responses

• Would there be a mathematics if there were no mind to contemplate it?

  Asked by Zuma | 35 responses

• Why don't sheep shrink in the rain?

  Asked by crackerjacked | 39 responses

• Can anyone find a hole in this argument against free will?

  Asked by Hobbes | 184 responses

• Hammer flipping mystery (see details)

  Asked by Harp | 43 responses

• What are your thoughts about parts of our universe that we cannot yet perceive or sense?

  Asked by phoebusg | 59 responses

• Happy Higgs Boson Day, everyone! Will you join me in celebrating the discovery of the "god" particle?

  Asked by ragingloli | 16 responses

• Is time an illusion?

  Asked by nebule | 38 responses

• Math: An invention or discovery?

  Asked by lilikoi | 54 responses

• What determines the arc of a rainbow?

  Asked by cockswain | 11 responses

• If we are looking into the past when we look at distant stars, doesn't that mean that when we look at objects in everyday life we see them as they were a moment ago?

  Asked by Hobbes | 21 responses

• What effects do you think it would have on you, and on the world, if everyone were granted the ability to read minds?

  Asked by AshLeigh | 50 responses

• Why do we arm police with lethal weapons?

  Asked by longgone | 32 responses

• Does anything move faster than light?

  Asked by chucklmiller | 72 responses

• What are the implications of CERN's discovery of a Higgs boson-like particle?

  Asked by mattbrowne | 32 responses

• Using your physics and math skills what is your estimate for Clifford the Big Red Dog's weight?

  Asked by LuckyGuy | 17 responses

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