Gravitational Wave Detector LIGO Is Finally Back Online With Exciting Upgrades to Make It Way More Sensitive

After a three-year hiatus, scientists in the US have just turned on detectors capable of measuring gravitational waves--tiny ripples in space itself that travel through the universe. Unlike light waves, gravitational waves are nearly unimpeded by the galaxies, stars, gas, and dust that fill the universe. This means that by measuring gravitational waves, astrophysicists like […]