Quilotoa@lemmy.ca to Today I Learned (TIL)@lemmy.ca · 3か月前TIL in the early 1960s, the United States shot 480 000 000 copper needles into spaceen.wikipedia.orgexternal-linkmessage-square18fedilinkarrow-up1109cross-posted to: todayilearned@lemmit.onlinetodayilearned@lemmit.online
arrow-up1109external-linkTIL in the early 1960s, the United States shot 480 000 000 copper needles into spaceen.wikipedia.orgQuilotoa@lemmy.ca to Today I Learned (TIL)@lemmy.ca · 3か月前message-square18fedilinkcross-posted to: todayilearned@lemmit.onlinetodayilearned@lemmit.online
minus-squareMyMotherIsAHamster@lemmy.calinkfedilinkarrow-up20·3か月前That’s wild, I had never heard of this.
minus-squarexylogx@lemmy.worldlinkfedilinkEnglisharrow-up32·3か月前They created an artificial ionosphere and were able to successfully bounce radio comms off it. Totally wild.
That’s wild, I had never heard of this.
They created an artificial ionosphere and were able to successfully bounce radio comms off it. Totally wild.