Energy & Green Tech

Something from nothing: Using waste heat to power electronics

Collecting energy from environmental waste heat such as that lost from the human body is an attractive prospect to power small electronics sustainably. A thermocell is a type of energy-harvesting device that converts environmental ...

Energy & Green Tech

Wearable health tech gets efficiency upgrade

North Carolina State University engineers have demonstrated a flexible device that harvests the heat energy from the human body to monitor health. The device surpasses all other flexible harvesters that use body heat as the ...

Robotics

Plastic mini-robot 'walks' under the influence of light

Researchers at Eindhoven University of Technology have developed the first-ever light-controlled package delivery robot. Measuring 2 centimeters, this plastic mini-robot can "walk" under the influence of blue light in order ...

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