This year’s physics Nobel is a good one. @JannaLevin wrote the book on it:http://jannalevin.com/black-hole-blues-and-other-songs-from-outer-space/ …
Replying to @JamesGleick @JannaLevin
Worth mentioning, as Roger Penrose has repeatedly since early in his career, that gravitational waves are propagating astigmatic lenses.
11:39 AM - 3 Oct 2017
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