News - 20 Jun 2005
Commercial products such as laptop computer monitors and solar-powered calculators are constructed from a light-sensitive material with a peculiar problem: When exposed to intense light, it forms...
Article - 16 Dec 2002
The surface chemistry of photographic film materials can be complicated and thus prone to a range of manufacturing issues. Identifying the cause often needs sensitive molecular specific analytical...
News - 29 Aug 2013
Engineers at NASA's Langley Research Center in Hampton, Va., dropped an old Marine CH-46E helicopter fuselage filled with 15 dummy occupants from a height of about 30 feet Wednesday to test...
News - 22 Aug 2013
NASA researchers will drop a 45-foot-long helicopter fuselage from a height of about 30 feet to test improved seat belts and seats and advance experimental techniques and crashworthiness data.
News - 3 Oct 2006
For all their ease and convenience, there are few things more wasteful than digital cameras. They're loaded with pricy microprocessors that chew through batteries at a breakneck pace, crunching...
Article - 14 Jun 2018
The SEM is an instrument that uses a focused beam of electrons to scan a rectangular area of the tested specimen, and generate an image.
Article - 6 Nov 2017
XPS is a very versatile method that has found extensive use in numerous application areas, from aerospace materials to contact lenses.
Article - 6 Dec 2012
Polonium was discovered by Marie and Pierre Curie in 1898 while examining the radioactivity in pitchblende.
Article - 4 Dec 2012
Iodine was first discovered by Barnard Courtois, a French chemist in 1811 while extracting potassium and sodium from seaweed ash. When he accidentally added sulfuric acid, a violet colored cloud...
Article - 30 Apr 2003
Polyethersulphone (PES) is related to polyetheretherketone and polyetherimide. Chemical, electrical, mechanical, physical and thermal properties are provided. Applications for polyethersulphone are...