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  2. Silicon photonics - Wikipedia

    en.wikipedia.org/wiki/Silicon_photonics

    Optical interconnects may provide a way forward, and silicon photonics may prove particularly useful, once integrated on the standard silicon chips. [ 6 ] [ 35 ] [ 36 ] In 2006, Intel Senior Vice President - and future CEO - Pat Gelsinger stated that, "Today, optics is a niche technology.

  3. I Tried the Ring Pro 2 Video Doorbell—Here’s My Honest Review

    www.aol.com/lifestyle/tried-ring-pro-2-video...

    A clear, reliable, and easy-to-use video doorbell is a significant improvement from the old push-button standby. We tried the Ring Video Doorbell Pro 2 to see if it's worth your time and money.

  4. Smart doorbell - Wikipedia

    en.wikipedia.org/wiki/Smart_doorbell

    Concerns regarding the security of the smart doorbells have been raised. Researchers at Pen Test Partners in the UK have analyzed the Ring smart doorbell and concluded that it is possible for an attacker to gain access to the homeowner's wireless network by unscrewing the Ring, pressing the setup button and accessing the configuration URL. [7]

  5. Optical wireless communications - Wikipedia

    en.wikipedia.org/wiki/Optical_Wireless...

    Optical wireless communications (OWC) is a form of optical communication in which unguided light is used "in the air" (or in outer space), without an optical fiber. Visible, infrared (IR), or ultraviolet (UV) light is used to carry a wireless signal. It is generally used in short-range communication; extensions exist for long-range and ultra ...

  6. Long-range optical wireless communication - Wikipedia

    en.wikipedia.org/wiki/Free-space_optical...

    Long-range optical wireless communication or free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking over long distances. "Free space" means air, outer space, vacuum, or something similar.

  7. Doorbell - Wikipedia

    en.wikipedia.org/wiki/Doorbell

    Doorbell mechanism from 1884 in Andrássy Avenue, Budapest Antique mechanically operated shop doorbell on a torsion spring. William Murdoch, a Scottish inventor, installed a number of his own innovations in his house, built in Birmingham in 1817; one of these was a loud doorbell, that worked using a piped system of compressed air. [1]

  8. Optical coating - Wikipedia

    en.wikipedia.org/wiki/Optical_coating

    An optical coating is one or more thin layers of material deposited on an optical component such as a lens, prism or mirror, which alters the way in which the optic reflects and transmits light. These coatings have become a key technology in the field of optics.

  9. Silicon on insulator - Wikipedia

    en.wikipedia.org/wiki/Silicon_on_insulator

    NanoCleave is a technology developed by Silicon Genesis Corporation that separates the silicon via stress at the interface of silicon and silicon-germanium alloy. [18] ELTRAN is a technology developed by Canon which is based on porous silicon and water cut. [19] Seed methods [20] - wherein the topmost Si layer is grown directly on the insulator ...

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