In this work, an electromagnetic black hole based on gradient-index metamaterials is designed and fabricated by drilling holes in easily available materials to achieve efficient microwave heating in ...

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Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

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xi, 155 pages : 23 cmPublication date 2005 Topics Black holes (Astronomy), Trous noirs (Astronomie), Schwarzes Loch, Zwarte gaten, Trous noirs (astronomie) Publisher London : Imperial College Press ...