User: kevin pr

Re:Machine super-sensitivity: not "a good thing"

On: New Explosive Detection Tech

You have to look at the false positive and negative rates for detection. If you have a test that is 99.99% specific, it will still fail in practical use in an airport, as that means that 1 out of 10,000 people will come up positive. -> agree

Re:Craig Murray

On: Are Liquid Explosives on a Plane Feasible?

nice article