News tagged with gravitational waves

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11-year cosmic search leads to black hole rethink

One hundred years since Einstein proposed gravitational waves as part of his general theory of relativity, an 11-year search performed with CSIRO's Parkes telescope has failed to detect them, casting doubt on our understanding ...

dateSep 24, 2015 in Astronomy
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When black holes collide

Picture the scene: two gigantic black holes, each one a good fraction of the size of our Solar System spiralling around each other. Closer and closer they draw until they touch and merge into a single, even more gigantic ...

dateSep 29, 2015 in Astronomy
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Seeing quantum motion

Consider the pendulum of a grandfather clock. If you forget to wind it, you will eventually find the pendulum at rest, unmoving. However, this simple observation is only valid at the level of classical physics—the laws ...

dateAug 28, 2015 in Quantum Physics
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Advanced LIGO to begin operations

The Advanced LIGO Project, a major upgrade of the Laser Interferometer Gravitational-Wave Observatory, is completing its final preparations before the initiation of scientific observations, scheduled to begin in mid-September. ...

dateSep 16, 2015 in Astronomy
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How researchers listen for gravitational waves

A century ago, Albert Einstein postulated the existence of gravitational waves in his General Theory of Relativity. But until now, these distortions of space-time have remained stubbornly hidden from direct observation. At ...

dateMay 28, 2015 in General Physics
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