PhysicsHow Einstein was both right and wrong about gravitational waves A century ago, Albert Einstein suggested that the universe might contain ripples in space-time, known as gravitational waves – but then he changed his mind ¿ìè¶ÌÊÓÆµ
PhysicsA microscopic diving board can cheat the second law of thermodynamics Working with a tiny cantilever, physicists managed to violate the second law of thermodynamics, using less energy than expected to change the cantilever’s motion ¿ìè¶ÌÊÓÆµ