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• What ever happened to nuclear candles? Have they been classified?

  Asked by Zyx | 10 responses

• Did I just think of a perpetual motion device?

  Asked by jackm | 20 responses

• What happens as the Universe nears absolute zero?

  Asked by ETpro | 17 responses

• How can I figure out how much energy a hummingbird expends while hovering?

  Asked by LuckyGuy | 7 responses

• If the following article on "phys.org" is accurate, what new model of the formation of the universe could be considered besides the Big Bang?

  Asked by luigirovatti | 2 responses

• Is this a trick to determine accurately the place and the speed of an electron?

  Asked by RedDeerGuy1 | 4 responses

• Was the Philadelphia Projects imagery of crew members fused with the bulkhead borrowed or original?

  Asked by Ltryptophan | 8 responses

• Do you believe in the double slit experiment?

  Asked by luigirovatti | 12 responses

• Why is there something instead of nothing?

  Asked by krizan | 30 responses

• There's a target in my arrow; or rather, a pattern of alternating light and dark bands. Why?

  Asked by Jayne | 8 responses

• For setting circadian rhythm, what defines "blue light"?

  Asked by pallen123 | 5 responses

• If you have fine sand and sea water what kind of structure can you build?

  Asked by Ltryptophan from iPhone | 17 responses

• What are some good beginner-level tinkering projects to do at home?

  Asked by Mr_Saturn512 | 16 responses

• Why is there only one whirlpool in my bathtub when draining?

  Asked by RedDeerGuy1 | 11 responses

• Is there an opposite to absolute zero?

  Asked by El_Cadejo | 5 responses

• Is air effected by gravity?

  Asked by jtvoar16 from iPhone | 10 responses

• What is an Astronomer?

  Asked by aaronb | 21 responses

• Does anyone know any good book to get started into the astronomy,astrophysics field?

  Asked by Christian95 | 13 responses

• Did David Copperfield really make the Statue of Liberty disappear?

  Asked by rexpresso | 17 responses

• Have you ever had a glass candle jar break from allowing too much wax to melt?

  Asked by bobbinhood | 7 responses

• Why does the hole in Jupiter persist?

  Asked by socker | 1 response

• Can you help me with some portable physics?

  Asked by Nullo | 7 responses

• Each time a ball bounces, gravity reverses. Will it reach relativistic speeds?

  Asked by PhiNotPi | 12 responses

• Does fire burn sand?

  Asked by luigirovatti | 11 responses

• Are there any phenomena that we observe today that are as magical as a nuclear explosion, but are not readily understood?

  Asked by Ltryptophan | 15 responses

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