RegularJoe@lemmy.world to Today I Learned@lemmy.worldEnglish · edit-26 days agoTIL 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.comexternal-linkmessage-square30linkfedilinkarrow-up1470arrow-down18
arrow-up1462arrow-down1external-linkTIL 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.comRegularJoe@lemmy.world to Today I Learned@lemmy.worldEnglish · edit-26 days agomessage-square30linkfedilink
minus-squareDeebster@infosec.publinkfedilinkEnglisharrow-up12·6 days agoThe second paragraph of that source states it was a helium balloon. Also, the BBC article only describes it as helium.
The second paragraph of that source states it was a helium balloon. Also, the BBC article only describes it as helium.