The 2017 Nobel Prize in physics was awarded to Rainier Weiss, Kip Thorne and Barry Barish for their work on detecting gravitational waves, “wrinkles in space”. For a detailed account of the award to these old guys (they, like me, are over 80, but that’s the only similarity) see here. For a fuller account of LIGO, the super piece of work that detected the gravitational waves, see my post “Peeling Back the Onion Layers: Gravitational Waves Detected”. And, finally let me add, it takes a heap of money and talent to do this sort of super-science. But it’s worth it–I can think of much less desirable stuff to which we should devote our resources.