Medicine & TechnologyAstronomers at The University of Texas at Austin and Harvard University have put a basic principle of black holes to the test, showing that matter completely vanishes when pulled in. Their results constitute another successful test for Albert Einstein's General Theory of Relativity.
Meteors are known for their visual spectacle but sometimes a mysterious sizzling sound also accompanies the shooting star. A recent study dwells deep into the science of a Meteors sound.