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  • North America Runs out of Ipv4 Addresses: All Critical Link Linux-Based SoMs Have IPv6 Support Available
    Article - 31 Jul 2015
    Recently it was announced that North America had finally run out of IP (IPv4 – 32 bit) addresses. In this context, an intriguing question arises regarding the status of IP addresses in Latin America,...
  • The Photoelectric Effect
    Article - 16 Sep 2014
    In 1921 Albert Einstein won the Nobel Prize for discovering the law which governs the photoelectric effect.
  • Thermoelectric Cooling - Definition and Applications
    Article - 19 Jun 2014
    Thermoelectric cooling is a process of eliminating heat energy from a device, component or medium with the application of constant voltage between two dissimilar semiconductors or electrical...
  • Photodiodes - Their Working Principles and Applications
    Article - 29 May 2014
    A photodiode is a kind of light detector which involves conversion of light into voltage or current based on the mode of operation of the device. It consists of built-in lenses, optical filters, and...
  • Axicon Lenses and their Application
    Article - 19 Sep 2014
    The axicon lens is a specialized lens that bears a conical surface. The axicon lens images a point source as a line along the optic axis.
  • What is Optical Resolution?
    Article - 30 Oct 2014
    Optical resolution is the physical resolution at which an imaging device can capture an image.
  • What are Photons?
    Article - 15 Sep 2014
    The term photon was coined by Gilbert Lewis in 1926. A photon is a type of elementary particle that forms the basic unit of electromagnetic radiation, which includes infrared, ultraviolet, visible...
  • What is a Focal Point?
    Article - 5 Aug 2014
    A focal point is a common point on the principal axis where all the light rays starting from the object converge.
  • Catadioptric System Definition and Applications
    Article - 6 May 2014
    Catadioptric systems may be defined as optical systems that make use of lenses and mirrors for the formation of images.
  • Cassegrain Telescope - Definition and Applications
    Article - 1 May 2014
    The Cassegrain telescope is an astronomical reflecting telescope in which the light is incident on a large concave paraboloid mirror and reflected onto a smaller convex hyperboloid mirror.

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