Latest Christopher White Stories

2011-04-05 17:57:50

Sealants, like weather stripping, are what separates the inside from the outside of a building, byproviding a barrier that prevents water from seeping in, for example, or heat from leaking out. The challenge, says research chemist Christopher White of the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland, is predicting when they will fail. Current methods test sealants statically, by placing them outdoors for long periods of time, to measure their resistance to...

2011-03-17 00:08:50

Just as a chain is as strong as its weakest link, a building is as secure against the environment as its most degraded joint sealants, about 50 percent of which fail in less than 10 years after installation. The upshot for U.S. homeowners is that moisture damage due to failed sealants is responsible for much of the $65 billion to $80 billion they collectively shell out for house repairs annually. Researchers at the National Institute of Standards and Technology (NIST) are assembling a toolkit...

2008-08-08 06:00:42

By Thomas Frank WASHINGTON -- The Transportation Security Administration may allow airports to ban firearms from terminals, parking lots, roads and other airport areas where many states currently allow passengers to carry lethal weapons. Airport officials and lawmakers are watching closely as the TSA weighs a request by Hartsfield-Jackson Atlanta International Airport to modify its security program to impose an airportwide ban on guns. It is the first such request to TSA from an...

2006-08-17 15:01:15

WASHINGTON (Reuters) - Authorities evacuated a West Virginia airport terminal on Thursday after a test on two plastic containers carried by a female passenger showed a possible explosive, officials said. Transportation Security Administration spokesman Christopher White said around 100 passengers were evacuated from the terminal at Tri-State Airport in Huntington, West Virginia after security checks identified four items containing liquids in a carry-on bag carried by a passenger....

Word of the Day
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.