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
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
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