Âé¶¹´«Ã½

Physics

First signs of gravitational waves?

15 November 2006

This is a classic article from Âé¶¹´«Ã½’s archive, republished as part of our 50th anniversary celebrations

A GROUP of researchers at the University of Maryland who pioneered work on the detection of gravitational waves has been regularly observing “events” since the beginning of this year. The leader of the group, Professor Joseph Weber, cautiously avoids making the claim that the events are in fact pulses of gravity, although he cannot relate them to any terrestrial occurrence.

According to Einstein, masses that are accelerating should radiate energy in the form of gravitational waves, just as an oscillating electric current radiates…

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