"If it is overcharged, there is electrolyte breakdown and that generates heat, " said Prof.

WSJ: The Science Behind Dreamliner's Batteries

Recycling energy falls under the category of combined heat and power, which generates and uses both electricity and thermal heat-a technology that is now eligible to receive 10 percent investment tax credits from the U.S. government.

FORBES: Recycling Wasted Heat and Power Could Clear the Air

It's also more energy-efficient: The Twenty generates little heat and, in our tests, drew less than 1.5 watts on standby (the AirPort Express pulled more than twice that), which means you can in good conscience leave the Twenty plugged in and turned on, ready to play on a whim.

WSJ: Stereo Sound, Rekindled

The ponds cool the fuel - which generates intense heat - and provide shielding from radiation.

BBC: Fukushima nuclear plant: Cooling system power restored

They cool the fuel - which generates intense heat - and provide shielding from radiation.

BBC: Power at Fukushima nuclear fuel ponds restored

He generates a lot of heat and excitement - but can he sustain it?

BBC: Barack Obama

The total heat and electric needs of the world can be successfully met by skillfully utilizing the rubbish human society generates each year in their homes and industrial and commercial establishments.

FORBES: Initiative Would Shutter California Nuclear Plants For Decades While Feds Ponder Waste