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Results 361 - 370 of 558 for Engineering
  • Taking Strain Gauge Measurements
    Article - 20 Jun 2014
    A strain gauge is a device that shows variable electrical resistance when exposed to external forces or strain.
  • Basics on Sensors: Output and Wiring
    Article - 15 Sep 2014
    Most of the sensors carry out switching action through solid-state circuits. The connections between load devices and power supplies are made through two or more wires, and the entire setup is known...
  • What is a Level Sensor?
    Article - 25 Sep 2014
    A level sensor is a device for determining the level or amount of fluids, liquids or other substances that flow in an open or closed system. There are two types of level measurements, namely,...
  • How do Thermocouples Work?
    Article - 9 Jun 2015
    Thermocouples are one of the most common sensors used for temperature measurement. They are made up of two different metals coupled together at one or more points.
  • Micro "Lab-on-Chip" Water Sensor for Optimal Crop Management
    Article - 14 Oct 2013
    Researchers at Cornell University have used a small silicon chip to develop a microfluidic water sensor with a higher degree of sensitivity compared to other water sensors on the market.
  • Metal Detectors
    Article - 4 Nov 2013
    Metal detectors are portable electronic devices used for detecting the presence of any metal close by. They operate by sensing changes in magnetic waves caused by metal. The metal objects can be...
  • Applications and the Working Principle of Piezoelectric Accelerometers
    Article - 10 Jun 2015
    A piezoelectric accelerometer utilizes the piezoelectric effect of certain materials to measure dynamic changes in mechanical variables such as mechanical shock, vibration and acceleration.
  • What is an Inclinometer?
    Article - 23 Jun 2015
    An inclinometer or clinometer is an instrument used for measuring angles of slope/tilt and elevation/depression of an object with respect to gravity.
  • Neural Dust to Decode Brain Signals
    Article - 18 Jul 2013
    A recent paper has described a system concept termed neural dust - a low power miniaturized system to support brain-machine interfaces described as free-floating sensor nodes.
  • Using Defect Sensors to Detect Signaling Problems on Train Lines
    Article - 22 Oct 2014
    Trains are a key mode of transport in most developed countries around the world.

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