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The invention of the Fido explosives detector relied heavily on the invention of the amplifying fluorescent polymer (AFP) in the late 1990s. At the time, the use of fluorescent polymers in their solid state was difficult due to their significantly decreased sensitivity and fluorescence compared to polymers in solution. [6]
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An open path detector usually costs more than a single point detector, so there is little incentive for applications that play to a point detector's strengths: where the point detector can be placed at the known location of the highest gas concentration, and a relatively slow response is acceptable. The open path detector excels in outdoor ...
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The Mark I, also known as the SLAC-LBL Magnetic Detector, was a particle detector that operated at the interaction point of the SPEAR collider from 1973 to 1977. It was the first 4π detector, i.e. the first detector to uniformly cover as much of the 4π steradians (units of solid angle) around the interaction point as possible with different types of component particle detectors arranged in ...
Texas officials try to intercept sale of surplus border wall materials Patrick noted that Texas became aware of the materials slated for auction on Dec. 12, the same day the Daily Wire reported ...
Rare Colored Kitten Rescued From Craigslist Has Everyone Falling in Love. Genny Glassman. December 31, 2024 at 7:30 AM ... NYC legal weed shop landed $7M in sales in 2024 — decades after owner ...