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Fish Navigation System Recreated for Submarines

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CHAMPAIGN, Ill., Feb. 21, 2007 -- Scientists have artificially duplicated the lateral line, a row of specialized sensory organs found in fish. The device could enhance the ability of submarines and unmanned robots to move underwater and avoid obstacles and predators. A research team led by Chang Liu at the University of Illinois at Urbana-Champaign built the tiny structures.Chang Liu, a Willett Scholar and a professor of electrical and computer engineering at the University of Illinois, holds one of the models that he and his postdoctoral research associate, Yingchen Yang, are using to test their artificial lateral line....Read full article

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    Published: February 2007
    Glossary
    linear array
    A solid-state video detector consisting of a single row of light-sensitive semiconductor devices, used in linear-array cameras.
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    nanotechnology
    The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
    photolithography
    Photolithography is a key process in the manufacturing of semiconductor devices, integrated circuits, and microelectromechanical systems (MEMS). It is a photomechanical process used to transfer geometric patterns from a photomask or reticle to a photosensitive chemical photoresist on a substrate, typically a silicon wafer. The basic steps of photolithography include: Cleaning the substrate: The substrate, often a silicon wafer, is cleaned to remove any contaminants from its surface. ...
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    sensor
    1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
    vision
    The processes in which luminous energy incident on the eye is perceived and evaluated.
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