From Twitter https://twitter.com/: #OTD 50 years ago, Jocelyn Bell (later Burnell) discovered a pulsed radio emission that, it was later determined, came from a rapidly rotating neutron star called a pulsar http://physicstoday.scitation.org/action/cookieAbsent https://twitter.com/PhysicsToday/status/935515921740943360/photo/1 https://chirp.cooleysekula.net/attachment/44114