Excerpt
JUDY WOODRUFF (Newshour): Millions of Americans are taking to the skies during this holiday travel season. But some experts continue to raise concerns about those full-body scanners being used to screen passengers.
NewsHour science correspondent Miles O'Brien looks into the science behind the machines.
His story was done in partnership with the online news site ProPublica.
MILES O'BRIEN (Newshour): OK. So, it's a .38, right, snub nose revolver. OK. But it's heavy.
I am getting outfitted with some tools of the terrorist trade.
And this is pretty much the same consistency as C-4, which is plastic explosives, right? Arms up or not?
This is a full-body scanner with Superman vision. Steve Smith is its inventor. It uses X-rays to see right through clothing and identify all kinds of potential threats. Critics call it an electronic strip search.
Let's go back to the backroom, see how I did.
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