Energy Scavenging
Microgenerators work with random vibrations
Tiny generators could produce enough electricity from random, ambient vibrations to power a wristwatch, pacemaker or wireless sensor....
100 microwatts from body heat
A novel energy scavenger creates electric energy from the difference in temperature between a human body and air....
A hydroelectric generator for the well-equipp
A hydroelectric generator is small enough to be carried as a backpack and weighs less than 30 lb....
Air energy charger
A new gadget can harvest free electricity from WiFi signals....
Nine cubic mm and powered by the sun
A 9-cubic millimeter solar-powered sensor system is the smallest that can harvest energy from its surroundings....
Bountiful power harvesting
A wide range of low-power industrial sensors and controllers are turning to alternative sources of energy as their primary or supplemental source of power....
Lots of power from tiny piezoelectric harvester
A piezoelectric MEMS harvesting device generates a record 85 μW from vibrations....
Wave energy coming to Oregon coast
The first commercial wave energy PowerBuoy system in North America will be installed off the Oregon coast near Reedsport....
Wave energy systems could be more efficient than wind turbines
A new wave-energy system is said to be durable, extremely efficient, and can sit anywhere in the ocean, regardless of depth. ...
In the Hunt for scavenged power
For an environmentally conscious world, batteries are out, energy harvesting is in. Despite all their benefits, batteries are still potential sources...
Waste heat recovery comes to sludge
Estimates are the same type of power recovery solution could be viable for 200 similar facilities in the U.S. ...
Why recycle heat energy?
Recycling waste heat energy generate nearly 40% of our nation's electricity....
