@[email protected] to xkcdEnglish • 10 days agoxkcd #3037: Radonxkcd.comexternal-linkmessage-square6fedilinkarrow-up1220arrow-down10
arrow-up1220arrow-down1external-linkxkcd #3037: Radonxkcd.com@[email protected] to xkcdEnglish • 10 days agomessage-square6fedilink
And the explanation