Gravitational Waves: A Window into a Violent Universe
Detected for the first time in September 2015 by the Advanced LIGO Observatory, Gravitational Waves offer a totally new way of observing the Universe. The formation of these space-time ripples emits more energy in one second than the Sun will emit over its entire lifetime. In spite of this, it’s taken 100 years since Einstein proposed their existence to finally detect them. How hard can it be?