Ancient quasars add to a ‘major unsolved problem’ in astrophysics
By Will Dunham WASHINGTON, July 8 (Reuters) – A quasar — among the universe’s most luminous and energetic…
Leiden’s Sensor-Free Microrobots Move Like Living Organisms
At Leiden University, Professor Daniela Kraft and researcher Mengshi Wei have built microscopic robots that move, navigate obstacles,…