@sur_27In 1949, you could buy a radio built into a pith helmet for $7.95. Called the “Man-from-Mars Radio Hat,” it had two vacuum tubes, a loop antenna, and a battery pack, picking up stations within a 20-mile (32 km) radius. A fascinating piece of early wearable tech.
Orijinal gönderiyi gör@sur_27 tarafından fotoğraf· Jun 19, 2026· Science
The image features a woman in a dark coat and white blouse, wearing a distinctive light-colored helmet with antennae on top and a ring-like protrusion on the right side. She is seated on a bench, examining a small object in her hands. The background appears to be a cityscape with trees and buildings. The overall aesthetic is vintage and monochromatic. There is no on-screen text visible.
Walter Lewin on physics classes
Nikola Tesla solitude quote
2Universe looping every 500 billion years
Max Planck portrait
Feynman divorce complaint Calculus
The Curies
2Jean and Ororo moment
N44 nebula in deep space
Rain on Different Planets
4brain tissue at nanoscale resolution
Five Sisters Stephan's Quintet
first city on Mars name idea
Sombrero Galaxy Hubble
NASA Mars iridescent clouds image
Carl Sagan star observation
Earth at night from the ISS
Albert Einstein quote
Paul Dirac portrait quote@sur_27In 1949, you could buy a radio built into a pith helmet for $7.95. Called the “Man-from-Mars Radio Hat,” it had two vacuum tubes, a loop antenna, and a battery pack, picking up stations within a 20-mile (32 km) radius. A fascinating piece of early wearable tech.
Orijinal gönderiyi gör@sur_27 tarafından fotoğraf· Jun 19, 2026· Science
The image features a woman in a dark coat and white blouse, wearing a distinctive light-colored helmet with antennae on top and a ring-like protrusion on the right side. She is seated on a bench, examining a small object in her hands. The background appears to be a cityscape with trees and buildings. The overall aesthetic is vintage and monochromatic. There is no on-screen text visible.
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Walter Lewin on physics classesNikola Tesla solitude quote2Universe looping every 500 billion yearsMax Planck portraitFeynman divorce complaint CalculusThe Curies2Jean and Ororo momentN44 nebula in deep spaceRain on Different Planets4brain tissue at nanoscale resolutionFive Sisters Stephan's Quintetfirst city on Mars name ideaSombrero Galaxy HubbleNASA Mars iridescent clouds imageCarl Sagan star observationEarth at night from the ISSAlbert Einstein quotePaul Dirac portrait quote
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