Kickstarter project is the first step in turning tea candles into a source of thermoelectric power for recharging smartphones and small USB devices.
Start-ups backed by the National Science Foundation will be showing off a wide range of technologies, including virtual reality contact lenses, robot butlers, and flexible displays.
Will the heat from your car's exhaust pipe power your car's electronics? Researchers from Boston College and MIT claim a thermoelectric efficiency breakthrough.
How to keep your PC chugging a bit longer; a $400 million clean-tech fund, food and fuel under the United Nations microscope, and a new chief executive for SunEthanol.
Thermoelectricity in action: ElectraTherm squeezes 50 kilowatts of electricity out of industrial waste heat.
The Energy Department's new ARPA-E program aims to find "transformational energy technologies" beyond fossil fuels. Here are some offbeat ideas on how it could get started.