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  • Catadioptric Sensors for Computational Vision
    Article - 21 Nov 2013
    The traditional video camera with its limited field of view makes it difficult for use in some of the applications in the field of computational vision. Catadioptric sensors are proving to be an apt...
  • Active Pixel Sensors
    Article - 21 Nov 2013
    Image sensors are miniature devices or circuits arranged on silicon chips, which are used for image capturing and sensing applications.
  • 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.
  • What is a Thermometer?
    Article - 14 Oct 2013
    The thermometer was developed over several years by a number of people - Cornelis Drebbel, Robert Fludd, Galileo Galilei and Santorio Santorio. The word thermometer was derived from two Greek word...
  • 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...
  • Rotary Encoder
    Article - 30 Sep 2013
    A rotary encoder, also referred to as a shaft encoder, is a sensor that generates an electrical signal in response to a rotational movement to determine or control the speed or position of a...
  • Using Helmet Sensors to Measure Sports-Related Head Impacts
    Article - 19 Aug 2013
    Sports-related injuries have been given more research attention over the past few years. The sensor technology is being increasingly used to measure how sports-related head impacts can lead to brain...
  • What is a Gyroscope?
    Article - 26 Jul 2013
    A gyroscope is a device consisting of a spinning disc or wheel mounted on a base such that its axis can turn freely in one or more directions in order to maintain its orientation regardless of any...
  • Car Parking Sensor Technology
    Article - 3 Sep 2013
    Traffic congestion is one of the major problems in several developing countries due to the lack of an efficient traffic management system. Car parking is a key factor in addition to the congestion...
  • Carbon Dioxide Sensor
    Article - 10 Jul 2013
    A gas sensor identifies gases by measuring the current discharge in the device. This article discusses the functional principle to a carbon dioxide sensor.

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