May 2025: Science History from 50, 100 and 150 Years Ago

image via New Scientist

April 15, 2025, 1:00 PM

• •Introducing the Videodisc
• •A Giant Eye for Extraterrestrials
• •Colored Lights Reveal Speeding

In 1900, scientists proposed a giant eye for detecting signals from extraterrestrial civilizations. Archeologists found graffiti in an ancient Egyptian temple. Balloonists died from suffocation at high altitudes.

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