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Significant performance


Recycling rare earths, which are vital for electronic components, is critical.

Carbon dioxide is reusable, too, and can generate sustainable electricity – just like in hydroelectric plants.

In their test facility, a research team in Texas exchanged water for supercritical CO2. Above a temperature of 31℃ and pressure of 74 bar, sCO2 resembles a gas, but acts more like a liquid.

As a result, it takes up significantly less space. Meaning that turbine machinery could be minimised by 90% – to the size of a motorcycle, say.

Tests showed the new machinery to be 10% more efficient, with the power to run 10,000 homes.

A possible source of CO2: the ocean. Silk and steam can also generate electricity.

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