3 Apr
2006
3 Apr
'06
12:15 p.m.
John Allain wrote:
It's the whitening agents in soap powder. Try it with a UV source -
even the el-cheapo LED torches off eBay. Then try just the soap powder.
Oh, and if you really want to kill a lot of time with a basin of hot
disinfectanty water, shine said UV source on the inside of your fridge.
Even if you think it's clean.
Gordon.
Why? Radiation
is like light - shine a flashlight at something
(non-phosphoric, pedants! ;) and it doesn't continue glowing.
Cotton must be phosphoric then. Hit it with a strobe
unit and it will glow for a second or two afterwards.