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Air Powered Car

Engineers in France were amongst the first to create a car powered by compressed air. The air is held at pressures of about 150 times the rate put into car tyres. An early prototype has a top-speed of 65 mph and a range of around 200 km before the tank needs to be filled up again with air.

Solar, Windup, Dynamo, and Faraday Powered LED Torches and Gadgets

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Rechargeable Wind-Up Torch With 5 Super Bright LEDs

9.99

Handheld torch with built-in dynamo mechanism and rechargeable batteries. It is lightweight and comes with three illumination modes (one, three, and five LEDs) as well as an output socket (cable included).

Five super bright LEDs
Brightness adjuster (turn on one or five LEDs)
In-built rechargeable batteries
Dynamo charges batteries
Pull out the handle and turn to charge (two rotations per second)
One minute charge yields up to 30m of light (on full power)
Carry handle attached
Blister pack with instructions
No-hassle lighting saves a fortune in batteries
Lightweight and ergonomic
Charges mobile phones (cable included)
Dimensions: 155mm x 60mm x 55mm
Due to the brightness of the LEDs this torch is not suitable for young children.
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