ext_18172 ([identity profile] rustydog.livejournal.com) wrote in [personal profile] donutsweeper 2007-12-01 05:20 am (UTC)

Yay science! Supposedly Edison tried 2000 substances before he found a material that would work as the light bulb filament. I don't know if it's true, but I find it encouraging.
(11 comments)

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