Gravitational Waves

Gravitational Waves

How Einstein's Spacetime Ripples Reveal the Secrets of the Universe

by Brian Clegg

Paperback / softback Publication Date: 21/02/2018

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On 14 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 2.5 mile 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.

This was the first time black holes had ever been directly detected- and it promises far more for the future of astronomy. Brian Clegg presents a compelling story of human technical endeavour and a new, powerful path to understand the workings of the universe.

ISBN:
9781785783203
Category:
Gravity
Format:
Paperback / softback
Publication Date:
21-02-2018
Language:
English
Series:
Hot Science Ser.
Publisher:
Icon Books, Limited
Country of origin:
United Kingdom
Pages:
176
Dimensions (mm):
197x131x13mm
Weight:
0.17kg
Brian Clegg

Brian Clegg, consultant editor, has written for Nature, The Times and The Wall Street Journal and has lectured at Oxford and Cambridge universities and the Royal Institution.

He is editor of the book review site www.popularscience.co.uk, and his publications include A Brief History of Infinity and How to Build a Time Machine.

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