Dif

Seaweed energy

A new inexhaustible source of energy So, you want to grow a crop under water, harvest it by ship, transport it to land to make it ferment and create energy from the gasses that are emitted from the...

Cheap lighting by gravity

A smart radar system generates electricity as a generator for a lamp by pulling up a weight.

Cheap lighting by gravity

Enlightenment that uses gravity. A smart radar system generates electricity as a generator for a lamp by pulling up a weight that drops in twenty minutes and gives as long as light.

Category - Energy

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