Einstein, Black Holes and Cosmic Chirps - A Lecture by Barry Barish

                          



Einstein, Black Holes and Cosmic Chirps - A Lecture by Barry Barish

Δημοσιεύτηκε στις 16 Ιουν 2016

Albert
Einstein’s theory of general relativity, developed 100 years ago,
predicts the existence of gravitational waves. In February 2016, the
Laser Interferometer Gravitational-wave Observatory (LIGO) became the
first experiment to observe gravitational waves, created by two black
holes spiraling into each other. The discovery became known as the chirp
heard around the world. Four month later, a few hours before this
public lecture, LIGO announced the discovery of a second signal. This
lecture, given by Dr. Barry Barish, LIGO director from 1997 to 2006,
explains the physics of gravitational waves, the detection technique
used by LIGO, the observations made and the implications these
discoveries have on our understanding of the cosmos.

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