Reply to post: Unshielded sources

Geiger counters are so last summer. Lasers can detect radioactive material too, y'know

Smooth Newt

Unshielded sources

A good and potentially useful piece of research, but I am not sure how this might be useful in detecting radioactive material secretly transported to and from ports one day, as suggested. The most dangerous materials are alpha emitters (plutonium, polonium, radium etc) and would be contained in packaging that will stop all the alpha particles.

Plus, they are so toxic that only very small amounts are required for nefarious purposes - you aren't going to get a skip full of polonium coming through customs - perhaps a tiny 0.1 millilitre vial of some solution if you are very lucky, from which no radiation will escape.

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