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there are already batteries that can charge in minutes, and even top up large percentages of their charge in under a minute. combine this with a similar battery pack or supercapacitor as a buffer at the servo and you could fill your electric 'tank' quicker than with a petrol car. Get with the times:/
doxology writes "The BBC reports that scientists have been able to create di-positronium molecules. A di-positronium molecule consists of two positronium atoms, exotic atoms which are made from an electron and a positron (the anti-particle of the electron). A potential use of these molecules is to make extremely powerful gamma-ray lasers, possibly on sharks." Link to Original Source