Energy & Green Tech

A new approach to energy harvesting opened up by the quantum world

Touch the back of a laptop and it often feels warm. This is because part of the energy used for computation and communication escapes to the outside as heat. Yet even this "waste heat" still contains a great deal of usable ...

Engineering

Sub-zero green freezer achieves zero emissions

Researchers at the School of Engineering of The Hong Kong University of Science and Technology (HKUST) have developed the world's first sub-zero Celsius elastocaloric freezing device, capable of reaching temperatures as low ...

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