9 Renewable Energy Solutions Small Enough to Fit in Your Pocket

pocket_power

Pocket power.

Why shoud you care about being green if there’s nothing in it for you?  The reason you should care about renewable energy is that it gives you lots of ways to start generating your own energy to power all those energy hungry gadgets you love.  You won’t even notice that you’re doing it thanks to future technology. (Pics)

 

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New Oyster Machine To Harvest Wave Power

oyster

The Oyster concept for transforming wave power to onshore electricity.

A giant new machine called’ Oyster’ designed to harness the power of ocean waves and turn it into ‘green’ electricity is being installed on the seabed off the Atlantic shores of the Orkney Islands. In autumn 2009 it will undergo demonstration trials to prove whether its innovative technology could lead to a commercial source of renewable energy for use in seashores around the world.

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Harnessing Direct Solar Power To Propel Tiny Nanomaterial Machines

Harnessing Direct Solar Power

A four-finned rotor (center) floating on a pool of water spins when exposed to sunlight.

The sun is the most abundant source of renewable energy. But all the technologies that capitalize on sunlight, including photovoltaics and biofuels, require intermediate steps and infrastructure to turn the sun’s rays into something that can be used to perform work in a machine. Researchers at the University of California, Berkeley, are using carbon nanotubes to build small, simple waterborne machines propelled directly by sunlight. In theory, they say, these machines could be scaled up to make energy-generating pumps directly powered by the sun.

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Thermoelectric Material May Help Cars Turn Heat Into Electricity

Thermoelectric Material May Help Cars Turn Heat Into Electricity 

 Thermoelectric Material

Researchers have invented a new material that will make cars even more efficient, by converting heat wasted through engine exhaust into electricity. In the current issue of the journal Science, they describe a material with twice the efficiency of anything currently on the market.

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