RegularJoe@lemmy.world to Today I Learned@lemmy.worldEnglish · edit-22 months 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-square29linkfedilinkarrow-up1469arrow-down19
arrow-up1460arrow-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-22 months agomessage-square29linkfedilink
minus-squareDeebster@infosec.publinkfedilinkEnglisharrow-up12·2 months 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.