Wide Angle: Harvesting Energy from Motion
Everyone's in motion -- walking, running, driving, sailing, exercising. Why not convert that energy into usable electricity? Scientists are trying to do exactly that. Find out the many ways they capture motion and create electricity.
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Top 5 Places to Harvest Energy from Action
Solar and wind aren't the only renewable energy sources out there. How about moving cars, speeding trains, flowing liquid and heartbeats?
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Device Powers Cell Phone Using Car's Wake
The energy in the roiling wake of your car might be harnessed to power your phone or other electronics.
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Smart, Power-Producing Material Could Spawn Microrobots
The microrobots could have a range of applications from studying the environment to spying on extremists.
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Energy-Harvesting Ships On the Horizon
Waves cause buoys attached to the ship to bob up and down and produce up to one megawatt of electrical power.
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Nanodevice Powered by Motion
Soon, simply walking or running with your iPod in your pocket could keep it powered and pumping tunes.
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Pint Sized Energy Harvester Captures Big Vibrations
A device harnesses energy from vibrations and converts them to electricity with five to ten times the efficiency and power of similar devices in its class.
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Wind Vibrations Turned into Electricity
Vibro-wind panels are inexpensive and small.
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