Just as earthquakes are the release of energy stored in subterranean faults, these gravitational waves were set in motion when two black holes – faults in space itself – became a single, stable object. Call it a spacequake.
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Physics
Gravitational waves are already the science story of the week but if the rumours hold up they will one of the science stories of the century.
Every so often theoretical physics, gaming, and parenting overlap. Not that often, but it happens
In 1915, Berlin was at the centre of an empire locked into a global war. But at least one resident of that city had his mind elsewhere: Albert
Just as scientists can explain the flocking of birds, we can also model the "flocking" of cars, exploring how patterns in traffic arise and dissipate.