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New Light Source that can Last 12 Years

Very soon, Cyalume sticks (aka glow sticks) will be history. MPK CO. has invented a new kind of light source called Litroenergy that acts somewhat like a glow stick, but lasts more than 12 years without ever needing a recharge. No electricity nor solar exposure required! “The Litrospheres are not effected by heat or cold, and [...]

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Charge Your Cellphone with Your Legs!

Nineteen-year-old Pankaj Sharma from India has invented a pair of shoes that can charge your cellphone while you are on the move – literally! By simplying walking, your cellphone can be charged within an hour’s time. The way it works is pretty simple. A dynamo is attached to the shoe, which converts the mechanical energy, generated [...]

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Semi-Automatic LEGO Crossbow

Alexei J. Berteig, a LEGO hobbyist, had meant to create a simple LEGO-shooting elastic gun. But he ended up turning the project into a 300-hour one, for a semi-automatic pump-action crossbow. The crossbow holds 4 standard LEGO bricks in the handle and 1 in the firing chamber. As the crossbow arms draw back and fire the [...]

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