News tagged with gravity

Related topics:

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

What is Nothing?

Is there any place in the Universe where there's truly nothing? Consider the gaps between stars and galaxies? Or the gaps between atoms? What are the properties of nothing?

Aug 22, 2014
4.1 / 5 (67) 161