Jo Miran@lemmy.mlM to 196@lemmy.blahaj.zoneEnglish · 12 days agoGood ol' days rulelemmy.mlimagemessage-square22linkfedilinkarrow-up1253arrow-down15
arrow-up1248arrow-down1imageGood ol' days rulelemmy.mlJo Miran@lemmy.mlM to 196@lemmy.blahaj.zoneEnglish · 12 days agomessage-square22linkfedilink
minus-squareWalleyeWarrior@midwest.sociallinkfedilinkEnglisharrow-up6·11 days agoSo what did this radioactive ring supposedly do? there had to be a reason that kids were excited to win one
minus-squareOdemption@sopuli.xyzlinkfedilinkEnglisharrow-up12·11 days 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.
minus-squaremossy_@lemmy.worldlinkfedilinkEnglisharrow-up4·11 days agodamn that’s actually really cool
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.
damn that’s actually really cool