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Posts Tagged “

knee

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electricity

Knee Brace Charges Your Cellphone

A knee brace that generates enough electricity to power 10 cellphones was demonstrated by scientists recently. The brace harvests the energy of a person's knee braking after taking a step, similar to the way hybrid car brakes collect energy to charge their batteries. The device only weighs 3.5 pounds, and does not need the intense effort that other human-powered energy generators such as hand cranks require. And while the cellphone measurement given by the creators is pretty useless, they do have several practical applications in mind. More »

10:48 PM on Thu Feb 7 2008
By Benny Goldman
25,786 views, 19 comments

Latest by ANoel: hey... howabout a combo cigarette holder/lighter with an embeded whizzer propellor that charges the unit with evey puff, saving tons of propane every year!Additionally with non-tobacco sources you could reverse it for a puff-powered cannon. more »

gadgets

USB Warming Kneepads

Unless you're an old man or on your knees all day, these Warmmi USB Heating Knee pads will only be used once every few months when your lazy ass decides to get out of the house and play some basketball with the guys. More »

4:00 PM on Thu Mar 22 2007
By Jason Chen
1,481 views, 11 comments