LINKTV Democracy Now April 24, 2012
and these x-rays turned out to be simply a high frequency light. remember we talked about exciting atoms? we got an atom with the electrons going round and round and electron or light or something hits, makes electron go up, come back down, boom, off goes the energy in the form of light. the same thing happens when you excite the innermost electrons. if you excite those-- it takes a lot more energy-- and you're knocking electron way up and it comes way back down, boom, that light photon that emerges is beyond the range of seeing. it's even beyond the ultraviolet, and that's what x-ra...
Source: archive.org