Sep 03 2010
School of Underwater Turbines Swim to Fast Currents
An autonomous turbine swarm in the works could tap the power potential in the Gulf's underwater currents. But should we even go there?
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Aug 25 2010
Pee Power to the People
A fuel cell that runs on urine could be ideal for creating electricity on islands, deserts and even on submarines.
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Aug 23 2010
Paste-Free Toothbrush Cleans With Solar Power
A new solar-powered brush works without paste, using electrons instead.
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Aug 20 2010
‘Lens’ Wind Turbines Magnify Power
Wind turbines that look like giant rims could triple power production.
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Aug 19 2010
Rocket Thrusters Make Water Treatment Emission Free
Rocket engines may soon be used to neutralize the emissions from wastewater treatment plants.
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Aug 15 2010
‘Human-Electric’ Hybrid Car Goes 30 MPH Uphill
A vehicle that uses hand cranks and an electric motor has no limit to how far it can go.
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Aug 12 2010
Move Over Hydrogen, Make Way for Magnesium Power
Magnesium stores about 10 times as much energy as hydrogen.
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Aug 05 2010
Churning Butter into Biodiesel
Could cows be producing fuel soon instead of food?
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Aug 03 2010
Is Solar Power Worth It?
It's not yet competitive with coal, but its value goes deeper than dollars and cents.
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Aug 03 2010
Pee Power for Future Robots
Harvesting pee can save water and make a robot self-sustaining.
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