Mind-boggling magnets could unlock plentiful power
Powerful magnets are bringing abundant, pollution-free electricity a step closer. …
The tape itself is a feat of engineering that has taken decades to develop. Thin layers of superconducting rare-earth barium copper oxide (ReBCO) are deposited on a metal tape. When cooled that bundle of tape can conduct electricity extremely efficiently, which is essential as 40,000 amps will pass through it, enough electricity to power a small town.