By John Oates, 23 July 1998 18:26
NEWS The US government still holds out some hope for room temperature superconductors - at least enough to continue investing in them. The US Defense Department has put nearly half a million dollars into a Californian company which makes UltraConductor. It claims the material conducts electricity with no resistance. Until now, superconductors have all required freezing with liquid gas - making them impractical outside the lab. Several companies and academics have claimed to have found a way to produce a practical superconductor. One claimed to have achieved this with a form of carbon fibre, but the academic community refuses to take any of them seriously.
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