== Ripples In Spacetime ==
=== Govert Schilling, 2017 / 539.754 SCH / Tigard Library ===
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Decent book, not quite as amazing as his 2022 [[ http://wiki.keithl.com/ElephantUniverse | The Elephant in the Universe ]] about dark matter.  Which may have an alternate explanation, see my "Breaking News" to those book notes.

p106 [[ https://www.nobelprize.org/prizes/physics/1993/summary/ | 1993 Nobel Prize in Physics ]] awarded to Hulse and Taylor "for the discovery of a new type of pulsar", and to [[  https://www.nobelprize.org/prizes/physics/1974/summary/| Martin Ryle and Antony Hewish in 1974 ]] but not to [[ https://en.wikipedia.org/wiki/Jocelyn_Bell_Burnell | Jocelyn Bell ]] ( Burnell ), the graduate student who actually discovered the radio pulsars in 1967.

p204 February 11 2016 announcement of LIGO's measurement of gravitational waves.  Headlines from NY Times print edition:
  . With Faint Chirp, Scientists Prove Einstein Correct
  . A Ripple in Space-Time
  . An Echo of Black Holes Colliding a Billion Light-Years Away

p262 2004 NASA [[ https://swift.gsfc.nasa.gov/ | Swift ]] satellite with X-ray telescope, principle investigator [[ https://en.wikipedia.org/wiki/Neil_Gehrels | Neil Gehrels ]].  Note, I have a book about asteroids written by his father [[ https://en.wikipedia.org/wiki/Tom_Gehrels  | Tom Gehrels ]]