(August 3, 2011 at 8:45 pm)Rhythm Wrote: Can I hold you to that Statler, that you can't prove the existence of light without a human eye?
http://science.nasa.gov/science-news/sci...jan_touch/
(shameless bump for a good idea)
You can't prove the existence of concussion waves, electricity (without shocking someone), ultraviolet, infra-red, RF...
In fact, since I can't prove the existence of anything without showing its effect to you directly, do I have to dunk your hand in a bucket of hydrofluoric acid to prove that it exists?