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Listening To The Sounds Of Dangerous Chemicals
2012-08-14 14:00:20

New photoacoustic technique detects multiple nerve agents simultaneously To warn of chemical attacks and help save lives, it's vital to quickly determine if even trace levels of potentially deadly chemicals–such as the nerve gas sarin and other odorless, colorless agents–are present. U.S. Army researchers have developed a new chemical sensor that can simultaneously identify a potentially limitless numbers of agents, in real time. A paper describing the system has been published...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'