Until they have a total PASSIVE system (like reading your internal infra-red)
....FORGET IT.

I'm a engineer, and I wouldn't trust the programmers to keep the radiation levels below any safe level.

Forget it....not worth it.
And the more people going thru it...the more they believe its marketable.

Sure you may have to endure a pat-down, but when no one is using the machine, they'll give it up.

I'll take the puffer for explosives, but no way I'll do that one.