Russia’s attack drones are flying higher and faster. A Ukrainian air defender says old machine guns aren’t enough to kill them anymore. on 5 hours ago
Posted in Physics A new nanometer-scale measurement tool exploits the quantum properties of light for better precision and speed on 3 days ago
Posted in World ‘I don’t want to be here. But we can’t go home’: what life is like for people forced to flee floods and fighting on 3 days ago
