RegularJoe@lemmy.world to

Today I Learned@lemmy.worldEnglish · 9 days ago

TIL a photography student sent blank negative film to a height of 36.5 km using a balloon. Cosmic rays burned into the film, revealing ethereal patterns not visible to the human eye.

www.digitalcameraworld.com

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TIL a photography student sent blank negative film to a height of 36.5 km using a balloon. Cosmic rays burned into the film, revealing ethereal patterns not visible to the human eye.

www.digitalcameraworld.com

RegularJoe@lemmy.world to

Today I Learned@lemmy.worldEnglish · 9 days ago

A photography student sent film into space. I'm stunned at the results

www.digitalcameraworld.com

Photography student Tom Liggett sent film to 120,000 ft in a hot-air balloon, capturing images of cosmic radiation

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9 days ago
The second paragraph of that source states it was a helium balloon. Also, the BBC article only describes it as helium.

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