Fat Charlie — It's Okay to be contrarian. But not when it's not inventive.
Search Term: 'Sub-surface scattering'. Trivial example: Hold a flashlight up to your fingers.
https://upload.wikimedia.org/wikiped...Scattering.jpg
Plus which, your body tissues emit photons internally.
__________________
.
.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
|