Pedalites are bike pedals with built-in LED lights, powered solely by your pedal power. Pedalites stores the energy in a capacitor, and flashes only when you are moving. It actually flashes white to the front, red to the rear and amber to the side. Available for £49.99 ($87). Via Core77
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.
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 […]