Originally Posted by
lovely15
Could someone explain to me how this makes it through and I can't even without anything in my pockets and in clothes which have previously had no issues?
And no, "The scanner randomly makes up anomalies based on nothing" is not an answer.
Metal doesn't reflect. The backscatter imaging is based on reflectivity, not absorption - so objects that do not reflect and are not occluding a reflection are lost in the background, like a black cat on a black velour couch.