Urban Legends and Folklore

Recent Answers

2013-04-22 Popular Science - Raidoactive Decay:

Yes, decay of radioactive elements is really random atoms, in accordance with the laws and probabilities of the quantum world (not the macro-world).  However, the half-life times remain the same and are

2013-04-04 Popular Science - I'm wondering:

Dan,  The sky is blue because of Raleigh scattering, see  http://hyperphysics.phy-astr.gsu.edu/hbase/atmos/blusky.html    All light is just photons, massless "particles" at different wavelengths and frequencies

2013-02-27 Popular Science - Impacts and EMPs:

Hi Jill,  How do we know it didn't, for about one billionth billionth of a second?  Besides, EMP's are a relatively new idea, whereas meteors are billions of years old, so they don't know as yet that they