Radio signals

Radio signals puzzled astrophysicists for 17 years. They were coming from a microwave oven.

61 Vox by Joseph Stromberg  /  1h  //
Since 1998, astrophysicists at Australia’s Parkes Observatory have been detecting mysterious bursts of radio waves (named “perytons”) that seemed to emanate from all parts of the sky. They lasted for just fractions of a second and happened once or twice a year.