News tagged with gravity

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A black hole unmasked

Black holes are among the most amazing and bizarre predictions of Einstein's theory of gravity. A black hole is thought to be point-like in dimension, but it is surrounded by an imaginary surface, or "edge," ...

Nov 29, 2011
4.7 / 5 (19) 26 | with audio podcast

Jet packs rule, say deep-sea astronauts

Battery-powered jet packs are definitely the best part of tooling around on the ocean floor in practice drills for an eventual visit to an asteroid, an international crew of astronauts said Monday.

Oct 25, 2011
4.2 / 5 (5) 0

Why Einstein was wrong about being wrong

If you want to get your mind around the research that won three astronomers the Nobel Prize in physics last week, it helps to think of the universe as a lump of dough - raisin-bread dough, to be precise - mixed, kneaded and ...

Oct 14, 2011
4.3 / 5 (18) 113