PhysicsUltra-secure quantum data sent over existing internet cables Two commercial telecommunications facilities have been connected by a secure quantum network that used existing fibre optic cables at room temperature – a key step towards a feasible quantum internet 51¶¯Âþ
EnvironmentWill climate change lead to an industrial boom in the Arctic? The US and other nations are eager to exploit the Arctic’s mineral wealth, but despite the thawing of ice and permafrost, accessing buried treasure in the region remains extremely challenging 51¶¯Âþ