We Can Now Harvest Electricity From Earth’s Heat Using Quantum Tunnelling
“Researchers have come up with a way we could harvest energy from Earth by turning excess infrared radiation and waste heat into electricity we can use.
The concept involves the strange physics of quantum tunnelling, and key to the idea is a specially designed antenna that can detect waste or infrared heat as high-frequency electromagnetic waves, transforming these quadrillionth-of-a-second wave signals into a direct charge…”
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https://www.sciencealert.com/quantum-tunnelling-could-harvest-energy-from-planet-infrared-heat