Gravitational Waves By Brian Clegg

  • Narrated by: Greg Wagland
  • Series: Hot Science Series
  • Length: 4 hrs and 52 mins
  • Release date: 03-24-22

Gravitational Waves AudioBook Summary

On 14th September 2015, after 50 years of searching, gravitational waves were detected for the first time and astronomy changed for ever.

Until then, investigation of the universe had depended on electromagnetic radiation: visible light, radio, X-rays and the rest. But gravitational waves ripples in the fabric of space and time are unrelenting, passing through barriers that stop light dead.

At the two four-kilometre long LIGO observatories in the US, scientists developed incredibly sensitive detectors, capable of spotting a movement 100 times smaller than the nucleus of an atom. In 2015, they spotted the ripples produced by two black holes spiralling into each other, setting spacetime quivering.

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