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The physics and biology of the TSA's backscatter security scanners
- jdp23 16y agoA very clear technical discussion. Great diagrams!
- blahblahblah 16y agoA minor, slightly pedantic, point about the physics: Electron density is the quantity that determines x-ray absorbance, not mass density. Of course, a correlation exists between the two, but they are not exactly the same thing.