Energy & Green Tech

Technique harvests waste heat from untapped sources

Thermoelectric materials convert heat to electricity or vice versa. However, their application to harvest waste heat is limited by challenges in fabrication and materials. Finding cost-effective ways to cover large and potentially ...

Energy & Green Tech

Rolls-Royce: Zero emissions bird set for 2020

Rolls-Royce has taken the wraps off its one-seater electric plane. This was a first look that drew global interest from news sites last week, as the big date is set for Spring next year to fly. The plane could become the ...

Engineering

New coating hides temperature change from infrared cameras

An ultrathin coating developed by University of Wisconsin-Madison engineers upends a ubiquitous physics phenomenon of materials related to thermal radiation: The hotter an object gets, the brighter it glows.

Engineering

New hybrid device can both capture and store solar energy

Researchers from the University of Houston have reported a new device that can both efficiently capture solar energy and store it until it is needed, offering promise for applications ranging from power generation to distillation ...

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