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  2. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    The flat bottom surfaces of the anvil and post embedded inside the epoxy act as anchors, to prevent the conductors from being forcefully pulled out via mechanical strain or vibration. A light-emitting diode ( LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron ...

  3. Blood Pressure Chart & Numbers (Normal Range, Systolic ...

    www.webmd.com/hypertension-high-blood-pressure/...

    Normal: Lower than 80. Stage I: hypertension: 80-89. Stage II: hypertension: 90 or more. Hypertensive crisis: 120 or more. Call 911. Our chart below has more details. Even if your diastolic number ...

  4. HTML email - Wikipedia

    en.wikipedia.org/wiki/HTML_email

    HTML email. HTML email is the use of a subset of HTML to provide formatting and semantic markup capabilities in email that are not available with plain text: [1] Text can be linked without displaying a URL, or breaking long URLs into multiple pieces. Text is wrapped to fit the width of the viewing window, rather than uniformly breaking each ...

  5. Phlegm or Mucus in Throat: Causes, Treatment, and More

    www.healthline.com/health/overproduction-of...

    Gargle with warm salt water: This home remedy can help clear mucus from the back of your throat and may help kill germs. Humidify the air: Moisture in the air can help keep your mucus thin. Stay ...

  6. Titanic - Wikipedia

    en.wikipedia.org/wiki/Titanic

    RMS Titanic was a British ocean liner that sank on 15 April 1912 after striking an iceberg on the ship's maiden voyage from Southampton, England to New York City, United States. Of the estimated 2,224 passengers and crew aboard, approximately 1,500 died, making the incident the deadliest sinking of a single ship at the time.

  7. Ajax (programming) - Wikipedia

    en.wikipedia.org/wiki/Ajax_(programming)

    Influenced by. JavaScript and XML. Ajax (also AJAX / ˈeɪdʒæks /; short for " A synchronous J avaScript a nd X ML " or " A synchronous Ja vaScript transfer ( x -fer)" [1] [2]) is a set of web development techniques that uses various web technologies on the client-side to create asynchronous web applications. With Ajax, web applications can ...

  8. Flashes of Light in Corner of Eye or Peripheral Vision

    www.healthline.com/health/flashes-of-light-in...

    It typically happens as you get older. With posterior vitreous detachment, the vitreous humor detaches from the retina. If it happens too quickly, it can cause small flashes of light, usually in ...

  9. Ultraviolet - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet

    Ultraviolet ( UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and ...