In 1946, the U.S. Army sent a radar pulse toward the moon: its echo returned 2.5 seconds later and proved space could answer back |
Representative AI-generated image of Project Diana, showing a radar antenna transmitting a signal toward the Moon and detecting its returning echo in 1946. Credit – Google Gemini On January 10, 1946, a team of military and civilian personnel at Camp Evans, Fort Monmouth, New Jersey, aimed a modified radar system at the rising Moon and…
