Leap seconds have helped keep clocks synchronized with Earth’s rotation, but their time is now over – here’s why
300 glaciers have disappeared from the American West since the mid‑20th century – the survivors have a few things in common
Read More 5 minute read Engineering Space How a balloon-borne experiment can do the job of the Hubble space telescope SuperBIT waiting for launch while its giant helium balloon is inflated. Bill Rodman/NASA Richard Massey, Durham University and… byRichard MasseyApril 2, 2024