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A comment on A Man Who Flies Around the World for Free. Parent comment

Re:A Man Who Flies Around the World for Free by octocoupler on Monday July 20, 2015 @05:39PM (#9919280)
According to that graph a chest x-ray (20 µSv) has half the effect of a LA-NY flight (40 µSv)
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Re:A Man Who Flies Around the World for Free by cbr on Monday July 20, 2015 @06:26PM (#9919526)
Chest X-ray << Chest CT scan (350x)

Which makes sense, since a CT scan is basically enough X-rays that you can make a 3D picture.

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