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 ...

Engineering

Researchers recreate living 3-D displays

It is safe to say that 3-D displays do not necessarily occur in nature—unless one considers the cephalopod, which includes the squid and octopus, as a living 3-D display which can morph its structure and create complex ...

Energy & Green Tech

Researchers set solar record with next-gen cells

Researchers from the Australian National University (ANU) have broken new ground in solar cell energy efficiency and in the process provided a glimpse of the technology's future.

Engineering

Researchers flip how electrical signals move liquid droplets

When medical laboratories analyze blood samples for signs of disease, they sometimes use instruments that rely on a technology called digital microfluidics. The technique uses electric signals to pull tiny droplets of the ...

Energy & Green Tech

New rechargeable aqueous battery challenges lithium-ion dominance

A new rechargeable high voltage manganese dioxide zinc battery, exceeding the 2 V barrier in aqueous zinc chemistry, is the latest invention by City College of New York researchers. With a voltage of 2.45-2.8V, the alkaline ...

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