One of the more fascinating objects is a cutaway of a superconducting power cable-and that fist-sized size can carry the same amount of electricity that could be generated by two average nuclear power stations.
Solar cells still fascinate me in the way I can remember my first ever solar-powered calculator... now generating gigawatt hours of electricity worldwide.
Renewables aren't reliable (yet), so some level of baseload backup like nuclear power will be needed to support cleaner energy transition.
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