Microwave Ovens Posing as Astronomical ObjectsOnce, during a visit to the Dutch Radio Telescope in Westerbork, the Netherlands, an astronomer told me that they had to shut down the recording of data because a Citroën Deux Cheveaux was standing, with its engine idling, on a small road nearby. The ignition system of the 2CV was pretty primitive; the spark plugs in its two-cylinder engine fired simultaneously, producing a lot of RF noise. Interf
