Delete Sensitive rtg142857 Oct 24, 2018 at 04:36PM EDT They're actually safer than background levels at a depth of a couple metres in. Water is a very good insulator of radiation. +22 Reply
Delete Sensitive PhantomFox Oct 24, 2018 at 07:03PM EDT Wasn't there an XKCD about this? … Yes, yes there is. https://what-if.xkcd.com/29/ +11 Reply
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rtg142857
Oct 24, 2018 at 04:36PM EDT
PhantomFox
Oct 24, 2018 at 07:03PM EDT