The Holmdel Horn: The Most Important Radio Antenna Ever

In 1964, two researchers at Bell Telephone Laboratories were desperately attempting to pin down a source of interference that their antenna kept encountering. Little did they know that their antenna, the Holmdel Horn, was picking up the first observable evidence of the Big Bang—cosmic background radiation. » 4/06/12 11:30am 4/06/12 11:30am