PhysicsEinstein's gravity principle still correct, finds most precise test An experiment conducted on a satellite in orbit found that Albert Einstein's ideas about gravity are still correct, with measurements accurate to one part in a quadrillion ¿ìè¶ÌÊÓÆµ
PhysicsAntibubbles have been made to last a record-breaking 13 hours Shaking antibubbles – droplets of liquid encased in a thin layer of air – prevents them from popping for several hours. These could be used in chemical engineering in the future ¿ìè¶ÌÊÓÆµ