cannedtuna@lemmy.world to Science Memes@mander.xyzEnglish · 2 months agoJimmy Neutron confirmed Chad?lemmy.worldimagemessage-square39linkfedilinkarrow-up1743arrow-down113
arrow-up1730arrow-down1imageJimmy Neutron confirmed Chad?lemmy.worldcannedtuna@lemmy.world to Science Memes@mander.xyzEnglish · 2 months agomessage-square39linkfedilink
minus-squareKlear@piefed.worldlinkfedilinkEnglisharrow-up9·2 months agoNah, that’s not what they’re talking about. Superman’s vision is capable of penetrating concrete, but gets reliably stopped by lead. None of the particles here (or, I’m guessing, anywhere) have that property.
minus-squareAlcoholicorn@mander.xyzlinkfedilinkEnglisharrow-up18·2 months agoGamma rays kinda do, you need 10x more concrete to block them than lead: https://en.wikipedia.org/wiki/Half-value_layer
minus-squareKlear@piefed.worldlinkfedilinkEnglisharrow-up13·2 months agoPhew, good to know. I was beginning to think Superman isn’t real.
minus-squarebingrazer@lemmy.worldlinkfedilinkEnglisharrow-up6·2 months agoGammas might be able to penetrate a little bit of concrete, since concrete has lower electron density than lead
Nah, that’s not what they’re talking about. Superman’s vision is capable of penetrating concrete, but gets reliably stopped by lead. None of the particles here (or, I’m guessing, anywhere) have that property.
Gamma rays kinda do, you need 10x more concrete to block them than lead: https://en.wikipedia.org/wiki/Half-value_layer
Phew, good to know. I was beginning to think Superman isn’t real.
Gammas might be able to penetrate a little bit of concrete, since concrete has lower electron density than lead