
A Triggered Spring: Three Glitches in a Silent Pulsar
Pulsar PSR J1637−4642 is like a drum with a ratchet: it spins at enormous speed, and each radio flash is a click marking time. For nine and a half years, astronomers listened to this rhythm on the 64-meter Murriyang telescope in Australia, and heard not a single skip. The mechanism seemed to work flawlessly.