Richard de Groot 🟥 (@richard-de-groot.eurosky.social)

Two radio astronomers spent months trying to eliminate a faint hiss in their antenna, even scrubbing out pigeon droppings, before realising the noise they couldn’t get rid of was the afterglow of the ... In 1964 and 1965, two radio astronomers at Bell Telephone Laboratories spent roughly a year trying to track down a faint, persistent noise in their antenna. They checked the electronics, they consider... https://spacedaily.com/t-two-radio-astronomers-spent-months-trying-to-eliminate-a-faint-hiss-in-their-antenna-even-scrubbing-out-pigeon-droppings-before-realising-the-noise-they-couldnt-get-rid-of-was-the-afterglow/