czwartek, 11 marca 2010

Gray Matter: DIY LEDs

Jak samemu zrobić świecące diody LED:
"Crystal Method Large silicon carbide crystals like this (sometimes available for sale on eBay) grow inside blast furnaces from a combination of the silica lining and the carbon in the coke that fires the furnace. Mike Walker"
- Gray Matter: DIY LEDs | Popular Science (wyświetl w Google Sidewiki)

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