Quizzes & Puzzles0 min ago
Geiger Counter Fun
41 Answers
Has anyone here had any fun with one of these?
I bought one recently and did some exploring with it...
Background radiation where I live: average 0.1 microsieverts/hour
'vaseline glass' sugar bowl I have: 0.8 (the glass contains uranium oxide)
Background radiation on a recent flight at about 30,000ft: 4.0!
Takumar 50mm vintage camera lens: 24.0!! (the glass contains thorium)
Porst 55mm lens: 20.0 (thorium again)
Vintage mantle-clock with luminous hands/dial owned by me Mum: 7.0
Also I got a higher than normal background radiation result walking under an old red brick railway bridge recently - which was odd.
I bought one recently and did some exploring with it...
Background radiation where I live: average 0.1 microsieverts/hour
'vaseline glass' sugar bowl I have: 0.8 (the glass contains uranium oxide)
Background radiation on a recent flight at about 30,000ft: 4.0!
Takumar 50mm vintage camera lens: 24.0!! (the glass contains thorium)
Porst 55mm lens: 20.0 (thorium again)
Vintage mantle-clock with luminous hands/dial owned by me Mum: 7.0
Also I got a higher than normal background radiation result walking under an old red brick railway bridge recently - which was odd.
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