Gordon JC Pearce
gordonjcp at gjcp.net
Mon Apr 3 14:15:20 CDT 2006
John Allain wrote:
>> 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.
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.
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