Search PBS Space Time


2018-10-03: How to Detect Extra Dimensions

  • 01:50: Among other things, this optical identification gave a completely independent measurement of the distance traveled by the gravitational waves.

2016-11-09: Did Dark Energy Just Disappear?

  • 10:33: When you mathematically combine the certainty contours of two completely independent measurements they give you a much tighter range of possibilities.

2016-04-20: Why the Universe Needs Dark Energy

  • 01:41: There are two powerful and completely independent measurements that can test this prediction of the fate of the universe.
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