this post was submitted on 04 Jul 2023
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Scales directly with the amount of radiation present. Because the visual inspection happens in the water the radiation levels change a lot depending on where you are. Water is excellent as a radiation shield. I can't remember the halving distance (thickness of material needed to halve the radiation levels) but an active fuel bundle only needing 6 feet to drop down to safe levels is an insane drop. Something on the order of 1000 Rad/hr or something coming off the bundles.
Gotcha! I’ve always found it interesting how efficient water is at dispersing/shielding radio waves too. I believe light waves are also considered a type of radiation, but you only need a couple meters to completely block out [most] radio/ir/uv waves. Making wireless communication with things like drones or submarines very difficult.
Ty for the reply! This entire chain has been interesting.