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Latest David A. Schauer Stories

2011-03-17 07:49:49

(Ivanhoe Newswire) -- The government's efforts to keep the airways safe by subjecting travelers to more scrutiny are facing their biggest backlash since the attacks of Sept. 11, 2001 "“ even as recent terror attempts indicate that air travel remains a prime target for groups linked to al-Qaeda.  The Transportation Security Administration (TSA) has now begun to implement whole-body imaging scanners as a primary screening measure on travelers passing through airport security...

2011-03-16 13:46:53

The Transportation Security Administration (TSA) has begun to use whole-body imaging scanners as a primary screening measure on travelers passing through airport security checkpoints. One type of scanner employs millimeter wave technology, which delivers no ionizing radiation. However, the second type of scanner currently deployed at airports uses backscatter X-rays that expose the individual being screened to very low levels of ionizing radiation. In the April issue of Radiology, two...

2009-03-03 11:00:00

BETHESDA, Md., March 3 /PRNewswire-USNewswire/ -- In 2006, Americans were exposed to more than seven times as much ionizing radiation from medical procedures as was the case in the early 1980s, according to a new report on population exposure released March 3rd by the National Council on Radiation Protection and Measurements (NCRP) at its annual meeting in Bethesda, Maryland. In 2006, medical exposure constituted nearly half of the total radiation exposure of the U.S. population from all...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.