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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

8.49

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
"Button-operated illumination modes (select one LED, three LEDs, five LEDs to control battery life)"
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 15m of light
Boxed with instructions
Cable to charge other devices (instructions not provided)
No-hassle lighting saves a fortune in batteries
Lightweight and ergonomic
LED Charging Indicator
Dimensions: 136mm x 55mm x 45mm
Due to the brightness of the LEDs this torch is not suitable for young children.
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