Electricity-free air con: Thermoacoustic device turns waste heat into cold using no additional power
Beginning with the principles of the Stirling engine, SoundEnergy's THEAC thermal acoustic engine takes heat – either industrial waste heat or solar heat – and turns it into powerful cooling without ...
A summer of soaring temperatures has come to an end with more Britons turning to air conditioning to cope with the heat - but should you buy one too? The benefits of air-con are well documented.
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