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  • Seeing In Nanometers: Laser And Gratings Make Tiny Motions Visible To Human Eye
    Engineers at Sandia National Labs have invented a small handheld device that lets the human eye detect movements on the order of 10 nm. A scanning electron micrograph of the motion detector shows the top grating layer suspended by four springs and actuated by two sidecomb drives. The second, fixed
  • Hubble Reopens Its Eye on the Universe
    Scanning the heavens for the first time since the successful December 1999 servicing mission, NASA's Hubble Space Telescope has imaged a giant, cosmic magnifying glass, a massive cluster of galaxies called Abell 2218. This "hefty" cluster resides in the constellation Draco, some 2 billion
  • LVDT Use in a Scanning Laser Tomography Instrument
    feature. The transducer output. is part of a continuous feedback loop in the scanners on-board. logic control system. The Series 240 DC-DC LVDT provides accurate displacement. A critical function of this eye examination is to compare results measurement for strokes ranging from ±0.050 to ±3.00. from
  • How to Reduce Data Errors on Infrared Surveys (.pdf)
    around, above, and below when changing position while scanning. · Keep the "other" eye open if possible. · Never work alone if possible. · Don't wear things hanging around you when working around rotating equipment, like the lens cap, ID. tags, hanging clipboard, etc. · Don't wear rings or any
  • University of Waterloo Skip to the content of the web site.
    of University of Waterloo Prof. Melanie Campbell of the School of Optometry. She and research colleagues have developed a confocal scanning laser ophthalmoscope that allows an examination of the eye in greater detail than possible before. It serves as a high-power microscope capable of producing
  • Advanced Digital Technology Breaking Ground in Light Microscopy (.pdf)
    a stand-still. Using an integrated design approach, the VHX-1000 digital microscope system has been developed that overcomes many of the shortcomings of conventional optical microscopes. A built-in 17" monitor eliminates the need for eye-pieces while advanced zoom lenses stretch the depth of field
  • NIR Detects, Destroys Insect Pests
    Maize weevil feeding on corn kernels. What's good for Georgia peanuts may also be good for Kansas wheat. An electric eye that scans all food-grade peanuts for visual defects could one day do the same for wheat kernels. For peanuts, it's a proven method for monitoring quality. In wheat, scanning
  • Study of Cylinder-Wall Micro-Structure (.pdf)
    in the finish and the cross. hatch is very evident to the naked eye. Note. the over-all consistency is a feature of the. Flex-Hone finish. 5. A COMPARISON STUDY ON TWO V-6 BUICK ENGINES. With minimum fuel economy regulations becoming increasingly difficult. While you are studying these comparisons

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