Do electric motors operate in a vacuum?

NASA’s iconic telescope had to be suspended unexpectedly due to a software glitch. The Hubble telescope has operated for more than three decades in Earth orbit. Photo: NASA. “At 4…

Floating telescope hunts ‘ghost particles’

Scientists have installed one of the world’s largest underwater telescopes to observe the universe from the pristine waters of Lake Baikal. The team of experts monitors the installation of telescopes…