TechnologyQuantum data link established between two distant Chinese cities A secure quantum link has been created between two Chinese cities, allowing researchers to send entangled photons more than 500 kilometres using a relay hub in the middle that doesn't need to be trusted 51¶¯Âþ
PhysicsYour finger can feel the change of a single atom in a material We mostly tell textures apart by their surface characteristics, but now we know that the human fingertip can sense molecular changes, even if it’s just a single swapped atom 51¶¯Âþ