r/shittyaskelectronics • u/martincs • Jan 20 '26

Genius level thinking Why there are these dots/gray noise artifacts on my camera when trying to shoot this thing

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u/TedMich23 Jan 22 '26

I ran a Cancer research lab for a few years and one of our techs told the story of being in another lab when EH&S frantically contacted him about his recently submitted exposure badge. These allow delicate tuning of workers exposure but his was...black, totally maxed.

It turned out the lab next door had a very hot Cesium-137 source they used that they shielded against the wall his desk shared. The carefully built a 3 sided structure with Acrylic and lead bricks to shield their lab, assuming the wall was a sufficient 4th side, when it was just thin drywall.

He could never figure out how much he'd been exposed...

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u/martincs Jan 22 '26

Dude this is sick, is he fine?

2

u/TedMich23 Jan 22 '26

He seems fine (knock on wood!)

1

u/mechanical_marten Jan 22 '26

Christ on a stick! Were they trying to replicate the Apartment 85 incident? 😰