New Wind-Up LED Flashlight: The Illuminator

I have a “forever flashlight” — the kind that you shake for 20 seconds and get 5-10 minutes of light. This flashlight seems to be an improvement on that idea. It uses three ultra-bright LEDs. One minute of wind-up provides up to one hour of light. It’s available from Amazon.

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LED Light Bulb Replacements

LEDs are close to becoming metaefficient alternatives to regular light bulbs, but they are not quite there. Right now the brightest LED bulb is equivalent to a 25W incandescent bulb. The bulb seen here has 36 LEDs and runs on 1W. That means it could run 10 hours a day for a whole year for […]

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