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.

FORBES: Gizmodo Joins The Internet War on TSA With 100 'Leaked' Body Scans

On full-body scan, how important is privacy in all of this?

WHITEHOUSE: Press Briefing

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.

FORBES: The Scary Side Of Health Testing

Then the patient gets a full-body gamma scan at a nuclear imaging center within 10 minutes and again three or four days later.

FORBES: Spectrum Pharmaceuticals Gets Lift from FDA Action On One Of Its Cancer Treatments

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.

NPR: Astronauts Face Radiation Threat On Long Mars Trip

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.

FORBES: Why QR Codes Don't Work

So, though working full-time as a planetary scientist, Mr Shoemaker taught himself astronomy, and in 1973 began a regular scan of the skies.

ECONOMIST: Gene Shoemaker