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Submission + - Whatever happened to superconductors?

AltGrendel writes: "Jonathan Fildes of the BBC wrote that 'In 1987, Ronald Reagan declared that the US was about to enter an incredible new era of technology. Levitating high-speed trains, super-efficient power generators and ultra-powerful supercomputers would become commonplace thanks to a new breed of materials known as high temperature superconductors (HTSC). "The breakthroughs in superconductivity bring us to the threshold of a new age," said the president. "It's our task to herald in that new age with a rush."

But 20 years on, the new world does not seem to have arrived. So what happened?'

He shares what he found in this article."

1 1 was a race-horse, 2 2 was 1 2. When 1 1 1 1 race, 2 2 1 1 2.