A recent claim by South Korean researchers that they have created a material which works as a superconductor at room temperature – long a holy grail of physics – has been met with huge excitement on social media but scepticism from scientists.
Late last month, a little-known group of South Korean physicists posted a– which has not been peer-reviewed – announcing that their material, called LK-99, can superconduct at room temperatures and ambient pressure.
Large laboratories in China and India were the first to report their findings, both determining the material could not superconduct at room temperature. If the scientific community has come across as a bit negative, it is because"we've been trained to be sceptical – and we've seen this all before," Speller said.
If the world does stumble onto a true room-temperature superconductor, perhaps the biggest impact would be on the electrical grid.The amount of energy saved by a room-temperature superconductor could therefore be the equivalent of"removing one or two nuclear reactors in France," said French physicist Brigitte Leridon.
Amalia Coldea, a superconductivity expert at Oxford, told AFP that"so far, I have not been convinced".
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