EAN: 9789811557088

GRAVITATIONAL WAVES - AJIT KEMBHAVI PUSHPA KHAR...

Gravitational waves were first predicted by Albert Einstein in 1916  a year after the
development of his new theory of gravitation known as the general theory of relativity. This
theory established gravitation as the curvature of space-time produced by matter and energy. To
be discernible even to the most sensitive instruments on Earth  the waves have to be produced
by immensely massive objects like black holes and neutron stars which are rotating around each
other  or in the extreme situations which prevail in the very early ages of the Universe. This
book presents the story of the prediction of gravitational waves by Albert Einstein  the early
attempts to detect the waves  the development of the LIGO detector  the first detection in 2016
the subsequent detections and their implications. All concepts are described in some detail 
without the use of any mathematics and advanced physics which are needed for a full
understanding of the subject. The book also contains description of electromagnetism 
Einstein's special theory and general theory of relativity  white dwarfs  neutron stars and
black holes and other concepts which are needed for understanding gravitational waves and their
effects. Also described are the LIGO detectors and the cutting edge technology that goes into
building them  and the extremely accurate measurements that are needed to detect gravitational
waves. The book covers these ideas in a simple and lucid fashion which should be accessible to
all interested readers. The first detection of gravitational waves was given a lot of space in
the print and electronic media. So  the curiosity of the non-technical audience has been
aroused about what gravitational waves really are and why they are so important. This book
seeks to answer such questions.

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