Wave reviews: Proof of gravity’s vibrations leaves internet floating on air

A century after physicist Albert Einstein first mooted the idea of gravitational waves, US scientists have confirmed their existence.

Einstein proposed in 1916, through his Theory of General Relativity, that what we know as ‘gravitational pull’ is created by the distortion in space-time by mass or energy.

Before today’s announcement, physical proof of the vibrations had been sought for decades by scientists who harbored hope of tracing waves which originated in the Big Bang - the creation of the universe.

The LIGO Scientific Collaboration had been leading the research, operating detectors - known as interferometers - in the United States. The detectors work by splitting a laser beam between two perpendicular corridors 4km in length, bouncing them off mirrors at each end.

Without the presence of a gravitational wave, the beams should return to their source at exactly the same time.

But the presence of gravity waves would influence the beams differently: with stretching or squeezing of space-time from a gravity wave, the distance to the mirror is longer in one corridor and shorter in the other, meaning the light will not be in sync.

The groundbreaking discovery was actually recorded on the September 14 last year.

Now with the waves detected from two black holes colliding, a new dawn in science can begin.

On the horizon are potential studies looking into the phenomena of black holes, the creation of the cosmos, and whether other universes exist outside our own.

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While not everyone can claim to have a complete understanding of the fabric of spacetime, those on social media are naturally ecstatic.

The news of the gravitational waves has not just been making ripples in the universe, but on Twitter too:

Astrophysicist Grant Tremblay posted graphs of “one of the greatest achievements in scientific history.”

Planetary expert Carolyn Porco, involved in the Cassini project to document Saturn, congratulated one of the cofounders of the LIGO Project - Kip Thorne, the theoretical physicist who influenced the ‘Interstellar’ film.

Emily Lakdawalla, senior editor at the Planetary Society, which promotes space exploration, said that although geology rocks, it was difficult not get excited about the physics find.

Of course, there is always at least one smart ass...