They have the xkcd Radiation Dose Chart on display in the International Atomic Energy Agency's lab in Seibersdorf, Austria : r/xkcd
xkcd: Electromagnetic Spectrum
2568: Spinthariscope - explain xkcd
Randall Munroe Of xkcd Answers Our (Not So Absurd) Questions | FiveThirtyEight
xkcd 2163: Chernobyl : r/xkcd
xkcd | It's always more complicated
xkcd: Plutonium
Creator of web comic xkcd addresses absurd hypotheticals | WIRED UK
xkcd radiates
2413: Pulsar Analogy - explain xkcd
Units: the forgotten half of the statistic - Interaction Magic
XKCD's Radiation Chart
2027: Lightning Distance - explain xkcd
Mike Lynch Cartoons: XKCD's Randall Munroe Visually Explains Radiation Risks
xkcd - The Last Molecule Biology is really struggling; they're barely at 93% and they keep finding more ants. | Facebook
An Incredibly Touching Comic About Looking Ahead in Time Seven Years After Being Treated for Cancer
Kelley Janes no Twitter: "Radiation Dose chart by @xkcd is a favorite chart. Put down the banana phone. http://t.co/Rj4664dJ15 #somethingold http://t.co/nSXhvOHwvk" / Twitter
A Handy Guide to Radiation Doses (Infographic) » TwistedSifter
xkcd - radiation
xkcd: Tattoo
Cureus | Assessing Health Implications of the Potential Radiation Exposure in the Community During Pregnancy: A Case Study