This month, though, the skepticism seems to have morphed into fury and resistance, after the TSA instituted a new pat-down policy requiring those who refuse the full-body scan to undergo a fairly-aggressive frisking.
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Being forced to submit to a privacy-rending body scan or pat-down - unpleasant as it may be - is not likely to compare to the trauma that can flow from being forced to submit to showering or sharing a bunkroom with someone who finds you sexually attractive.
Then the patient gets a full-body gamma scan at a nuclear imaging center within 10 minutes and again three or four days later.
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Scott Gazelle, director of Massachusetts General Hospital's Institute for Technology Assessment, 90.8% of patients who had a full-body scan got a least one positive finding that led to additional testing.
The radiation exposure from a Mars journey is similar to getting a full-body CT scan every five or six days, said lead researcher Cary Zeitlin of the Southwest Research Institute in Boulder, Colo.
As to privacy concerns -- namely that the scanners could pick up private features of a person's body -- ter Horst said the scan results would first go through a computer, which would then flag any suspicious items to a human.
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"The idea of working from 3-D information to 3-D construction is one of the key areas of research, working from body scan data and then linking that up to a knitting machine, " says Black.
Giving the consumer an option to scan a QR code which leads them to a website that is not optimized for the device they use to scan it is like sending someone with a broken arm in to get a full-body physical.
It just means that all machines that scan your body will display a generic stick figure body to TSA security agents rather than the X-ray nudie shot, seen at right.
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