Jo Miran@lemmy.mlM to 196@lemmy.blahaj.zoneEnglish · 2 days agoGood ol' days rulelemmy.mlimagemessage-square22fedilinkarrow-up1247
arrow-up1247imageGood ol' days rulelemmy.mlJo Miran@lemmy.mlM to 196@lemmy.blahaj.zoneEnglish · 2 days agomessage-square22fedilink
minus-squareWalleyeWarrior@midwest.sociallinkfedilinkEnglisharrow-up5·2 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-up11·2 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-up3·2 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