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  2. Magnetic dip - Wikipedia

    en.wikipedia.org/wiki/Magnetic_dip

    Isoclinic lines for the year 2020. Magnetic dip results from the tendency of a magnet to align itself with lines of magnetic field. As Earth's magnetic field lines are not parallel to the surface, the north end of a compass needle will point upward in the Southern Hemisphere (negative dip) or downward in the Northern Hemisphere (positive dip).

  3. Dreyse needle gun - Wikipedia

    en.wikipedia.org/wiki/Dreyse_needle_gun

    The Dreyse needle-gun was a 19th-century military breech-loading rifle, as well as the first breech-loading rifle to use a bolt action to open and close the chamber. It was used as the main infantry weapon of the Prussians in the Wars of German Unification.

  4. Needle valve - Wikipedia

    en.wikipedia.org/wiki/Needle_valve

    Electrically automated needle valve fluid on a fluid processing system. Needle valves are usually used in flow-metering applications, especially when a constant, calibrated, low flow rate must be maintained for some time, such as the idle fuel flow in a carburettor.

  5. Hypodermic needle - Wikipedia

    en.wikipedia.org/wiki/Hypodermic_needle

    Syringe on left, hypodermic needle with attached colour coded Luer-Lock connector on right Hypodermic needle features. A hypodermic needle (from Greek ὑπο- (hypo-= under), and δέρμα (derma = skin)), one of a category of medical tools which enter the skin, called sharps, [1] is a very thin, hollow tube with one sharp tip.

  6. Yanny or Laurel - Wikipedia

    en.wikipedia.org/wiki/Yanny_or_Laurel

    Yanny or Laurel is an auditory illusion that became popular in May 2018, in which a short audio recording of speech can be heard as one of two words. [1] 53 percent of over 500,000 respondents to a Twitter poll reported hearing a man saying the word "Laurel", while 47 percent of people reported hearing a voice saying the name "Yanny". [2]

  7. I'd sworn off dating apps until I heard about the 'burned ...

    www.aol.com/news/id-sworn-off-dating-apps...

    The best thing about the method is that I'm only on the app for a couple of minutes a day. Most of that time is spent narrowing the pool down by blocking/removing profiles that don't suit me or ...

  8. Oersted's law - Wikipedia

    en.wikipedia.org/wiki/Oersted's_law

    Using the right hand rule to find the direction of the magnetic field. The direction of the magnetic field at a point, the direction of the arrowheads on the magnetic field lines, which is the direction that the "north pole" of the compass needle points, can be found from the current by the right-hand rule.

  9. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563. Should you need additional assistance we have experts available around the clock at 800-730-2563.