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A yo-yo/MP3 player complete with wireless headset and docking station: A
yo-yo/MP3 player complete with wireless headset and docking station |
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Aquaskipper:
Human Powered Flying on Water: Marketplace-available gadget allows you
to have fun and exercise on the water without any wind. The Aquaskipper can be
purchased at inventist new ($495.95) or refurbished ($349.95) for any extreme
sportists who want to give it a go. |
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Bicycle
Powered Generator: Because bikes are made in a range of sizes to match
their rider's stature I wanted to build the generator as an accessory which could
be driven by any ordinary bicycle. I used to work in a bicycle shop when I was 13
and remember seeing the owner, Mr. Hank, ride his track bike on a set of rollers.
While I was looking through bike accessory catalogs for rollers that I could adapt
to my purposes I came across another similar device called a training stand. While
rollers require a lot of skill to ride because there is nothing but the gyroscopic
force of the spinning wheels and the rider's balance to hold you upright, a
training stand clamps on the rear axle of the bike and keeps you vertical.... |
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NEW
Do-it-yourself Bike-Generator - I had always been curious about generating
electricity from a bicycle and so I set out to calculate how to do it and also how
useful it could be. I've compiled the various information I found on this site
including easy to understand instructions for building one, where to find the
parts necessary, and simple formulas for figuring out how long you'll need to
pedal to power certain electronics, etc. |
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Foot-Powered Generator Patented: Great Systems, Inc.'s Energy Generation
and Storage System (US Patent 7,009,350) can be used indoors, generating up to
1000 Watts using body kinetics, or leg muscle power (or other inputs), to charge a
unique spring system that slowly unwinds and spins a high efficiency generator. |
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Pedal Powered
Generator: Every morning, I pedal to generate electricity. The Pedal
Generator charges batteries, that run an inverter, that produces 110v AC, that
powers LED lights, the monitor on my computer, and many other small
battery-powered things. It is the most inspiring workout you can imagine.... |
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Penn biologists invent power-generating backpack: The "Suspended-load
Backpack" converts mechanical energy from walking into electricity -- up to 7.4
Watts -- more than enough energy to power portable electronic devices for
soldiers, field researchers or disaster relief-workers. |
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Using Gym Rats' Body Power to Generate Electricity: A health club in
Hong Kong is hoping that a car battery, some StairMasters and dozens of gym rats
can help ease the world's energy problems. |
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Yo-Yo Powered MP3 Player: The inventors estimate that between 10-12 tosses per
hour are sufficient for continuous music play. A wireless headset allows the user
to listen to music while yo-yoing. |
