SpaceSatellites with flashing LEDs could help avoid catastrophic collisions It’s difficult to keep track of satellites in Earth’s orbit and avoid collisions – making them flash dimly should help, without interfering with astronomical work ¿ìè¶ÌÊÓÆµ
SpaceCarlo Rovelli’s new book: Eclectic essays on physics, history and more Carlo Rovelli’s bestsellers saw him dubbed the poet of physics and showed a mind seeking knowledge for its own sake. His new book, There Are Places in the World Where Rules Are Less Important Than Kindness, reminds us why we need more minds like his Culture