Still a brilliant idea. Too brilliant for our Democrat bureaucracy, however.
“All we need to do is develop a booth that you can step into that will
not X-ray you, but will detonate any explosive device you may have
hidden on or in your body. The explosion will be contained within the
sealed booth.
“This would be a win-win for everyone. There would be none of this
crap about racial profiling and the device would eliminate long and
expensive trials.
“This is so simple that it’s brilliant. I can see it now: you’re in
the airport terminal and you hear a muffled explosion. Shortly
thereafter an announcement comes over the PA system, ‘Attention,
standby passengers! We now have a seat available on flight number…’”
THE TEXAS SCRIBBLER 
Er… wouldn’t work. To be politically correct, such machine should take in several people at a time, each representing a different ethnic group. So there.
It’s not PC to begin with. PC would have to go out the window, along with some other baloney. But it’s fun to contemplate, anyhow.