The baggage scanners do use x-rays. Much stronger than the body scanners, in fact, since (as you pointed out) the goal is to see <i>through</i> things. So yes, a dosimeter would react to them.<p>I was about to say &quot;hopefully nobody&#x27;s sticking their hand inside one&quot;, but then I found this:<p><a href="http:&#x2F;&#x2F;io9.gizmodo.com&#x2F;5973513&#x2F;what-a-human-being-looks-like-going-through-an-airport-x-ray-machine" rel="nofollow">http:&#x2F;&#x2F;io9.gizmodo.com&#x2F;5973513&#x2F;what-a-human-being-looks-like...</a>