Jo Miran@lemmy.mlM to 196@lemmy.blahaj.zoneEnglish · 4 days agoGood ol' days rulelemmy.mlimagemessage-square22fedilinkarrow-up1248
arrow-up1248imageGood ol' days rulelemmy.mlJo Miran@lemmy.mlM to 196@lemmy.blahaj.zoneEnglish · 4 days agomessage-square22fedilink
minus-squareOdemption@sopuli.xyzlinkfedilinkEnglisharrow-up11·3 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-up3·3 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