Jo Miran@lemmy.mlM to 196@lemmy.blahaj.zoneEnglish · 18 days agoGood ol' days rulelemmy.mlimagemessage-square22linkfedilinkarrow-up1253arrow-down15
arrow-up1248arrow-down1imageGood ol' days rulelemmy.mlJo Miran@lemmy.mlM to 196@lemmy.blahaj.zoneEnglish · 18 days agomessage-square22linkfedilink
minus-squareOdemption@sopuli.xyzlinkfedilinkEnglisharrow-up12·17 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-up4·17 days agodamn that’s actually really cool
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