Artificial intelligence: Simple mathematical trick could slash AI development time in half

Training artificial intelligences to identify faces or digitise text involves thousands or millions of iterations of a two-stage process known as back-propagation, but a new approach could save time, energy and computing power Technology 10 March 2022 By Matthew Sparkes Cutting training time for AI could make face recognition systems more efficient iStockphoto Artificial intelligence … Read more

The sky-measuring trick that every stargazer should know

There’s a no-nonsense technique for navigating between stars and constellations and all it requires is putting your hand in the air, says Abigail Beall Space 23 February 2022 By Abigail Beall Arnaud Lesueur/Alamy THIS week, instead of looking for a particular target, we will try a technique for measuring distances in the sky. Once you … Read more

NASA’s James Webb Space Telescope is cooling down for its next trick: Observing the universe

It’s been a whirlwind 38 days in space for the┬áJames Webb Space Telescope, but its chief scientist says the mission is well on track to uncover the universe soon. “The telescope is cold … the instruments are cooling,” John Mather, a Nobel laureate and astrophysicist who also works at NASA’s Goddard Space Flight Center in … Read more