Two weeks after its launch, the Copernicus Sentinel-3C satellite sent its first images and measurements. Its data will help monitor the oceans, land and atmosphere, as well as long-term changes linked to climate change.
Researchers in Okinawa moved a levitated diamond one centimeter wide using only the force from electron spins, opening the way for macroscopic quantum experiments and new sensors.
JPL researchers combined laser, GPS and low-orbit satellite measurements and found that the seasonal movement of the center of mass is about half what they estimated eight years ago.
October brings seven meteor showers, with the Orionids peaking on 21 October and the Southern Taurids coinciding with a new moon on 10 October.
Leading mathematician Terence Tao talks to Lex Fridman about the hardest open problems in mathematics, from Navier-Stokes to prime numbers, and explains why formal verification tools and artificial intelligence could transform the very nature of mathematical research.
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