Kabul airport is without air traffic control services now that the US military has withdrawn from Afghanistan, civil aircraft barred from operating over the country unless given prior authorization,...
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Scientists Achieve Time-Reversal Symmetry With Kagome Superconductor
A team at the Paul Scherrer Institute ( PSI ) in Switzerland has achieved a breakthrough with a Kagome superconductor (RbV3Sb5) that demonst...
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