Hey Matt: I’ve been looking at those “energy-saving” lightbulbs and they look pretty complicated to me. A regular lightbulb looks like it’s much easier to make. Just a glass bubble with a filament in it. …
December 29, 2010
Posted December 29, 2010
Hey Matt: I’ve been looking at those “energy-saving” lightbulbs and they look pretty complicated to me. A regular lightbulb looks like it’s much easier to make. Just a glass bubble with a filament in it. …