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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. Smart doorbell - Wikipedia

    en.wikipedia.org/wiki/Smart_doorbell

    A smart doorbell is an internet-connected doorbell that notifies the home owner on his or her device (smartphone or any other gadget) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensors. The smart doorbell lets ...

  4. 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.

  5. 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 ...

  6. Ring (company) - Wikipedia

    en.wikipedia.org/wiki/Ring_(company)

    A second-generation model, Ring Doorbell 2, was released in 2017, with updated hardware and a 1080p camera with improved low-light performance, that does not rely solely on Wi-Fi, unlike the original model. [44] The Ring Doorbell Pro interoperates with Amazon Alexa to play prerecorded greetings to visitors and allow visitors to leave a message ...

  7. Doorbell - Wikipedia

    en.wikipedia.org/wiki/Doorbell

    Doorbell at the entrance of Chetham's Library, Manchester, England Sound of a two-tone mechanical doorbell. A doorbell is a signaling device typically placed near a door to a building's entrance. When a visitor presses a button, the bell rings inside the building, alerting the occupant to the presence of the visitor. Although the first ...

  8. Waveguide (optics) - Wikipedia

    en.wikipedia.org/wiki/Waveguide_(optics)

    An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum.Common types of optical waveguides include optical fiber waveguides, transparent dielectric waveguides made of plastic and glass, liquid light guides, and liquid waveguides.

  9. 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.

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