RegularJoe@lemmy.world to Today I Learned@lemmy.worldEnglish · edit-221 天前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.comexternal-linkmessage-square30linkfedilinkarrow-up1468arrow-down18
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-221 天前message-square30linkfedilink
minus-squareViceversa@lemmy.worldlinkfedilinkEnglisharrow-up7arrow-down3·21 天前 using a helium balloon Your own source stated that it was hot air.
minus-squareDeebster@infosec.publinkfedilinkEnglisharrow-up12·21 天前The second paragraph of that source states it was a helium balloon. Also, the BBC article only describes it as helium.
Your own source stated that it was hot air.
Fixed it. Sorry.
The second paragraph of that source states it was a helium balloon. Also, the BBC article only describes it as helium.