Light Bulbs Made from Aluminum Foil

Light Bulbs Made from Aluminum Foil

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lamp"Cheap, skinny aluminum foil lamps may be a mercury-free alternative to big, bulky light bulbs. University of Illinois researchers made the low-cost lamps by treating ordinary aluminum foil bought at the grocery store with an acidic bath. The new light source is lighter, brighter and more efficient than incandescent light." From the June issue of the Journal of Physics D: Applied Physics. (LiveScience) Thanks to Andrew for the link!

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