Jo Miran ( JoMiran@lemmy.ml ) M to 196@lemmy.blahaj.zoneEnglish · 9 months agoGood ol' days rulelemmy.mlimagemessage-square11linkfedilinkarrow-up1165
arrow-up1165imageGood ol' days rulelemmy.mlJo Miran ( JoMiran@lemmy.ml ) M to 196@lemmy.blahaj.zoneEnglish · 9 months agomessage-square11linkfedilink
minus-squareWalleyeWarrior ( WalleyeWarrior@midwest.social ) linkfedilinkEnglisharrow-up3·9 months agoSo what did this radioactive ring supposedly do? there had to be a reason that kids were excited to win one
minus-squareOdemption ( Odemption@sopuli.xyz ) linkfedilinkEnglisharrow-up9·9 months agoThe ring was a miniature spinthariscope. When removing the red cap in a dark room, you could peer into a tiny viewing chamber and see flashes of light caused by alpha particles hitting a zing sulfide screen.
So what did this radioactive ring supposedly do? there had to be a reason that kids were excited to win one
The ring was a miniature spinthariscope.
When removing the red cap in a dark room, you could peer into a tiny viewing chamber and see flashes of light caused by alpha particles hitting a zing sulfide screen.