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  2. Periscope - Wikipedia

    en.wikipedia.org/wiki/Periscope

    Principle of the periscope. The periscope on the left uses mirrors whereas the right uses prisms. a Mirrors b Prisms c Observer's eye Principle of the lens periscope. The two periscopes differ in the way they erect the image. The left one uses an erecting prism whereas the right uses an erecting lens and a second image plane. a Objective lens b ...

  3. Periscope lens - Wikipedia

    en.wikipedia.org/wiki/Periscope_lens

    Schematic of a conventional and a periscope zoom lens Xiaomi Mi 10 Ultra with a 5x optical zoom periscope lens camera, recognizable by the rectangular shape of its lens. A periscope lens, sometimes called a folded lens, is a mechanical assembly of lens elements that uses a prism or mirror to redirect the light through the lenses with a 90° angle to the optical axis, as in a periscope.

  4. Submarine navigation - Wikipedia

    en.wikipedia.org/wiki/Submarine_navigation

    At depths below periscope depth submarines determine their position using: Dead reckoning course information obtained from the ship's gyrocompass, measured speed and estimates of local ocean currents, this could also be considered an estimated position as long as the ocean current is computed in.

  5. LinusBio, a New Jersey-based startup, on Thursday launched the test, called Clearstrand-ASD, which it says can help physicians rule out autism in children 1 to 36 months old. The test requires ...

  6. When it comes to my 27-year marriage, it’s the little things ...

    www.aol.com/news/comes-27-marriage-little-things...

    Over time, these small gestures build trust, emotional intimacy, and a foundation for a deeply fulfilling and authentic relationship, says life and relationship coach Michelle Shahbazyan.. “As ...

  7. It turns out Punxsutawney Phil is wrong more often than not - AOL

    www.aol.com/news/report-questions-punxsutawney...

    Pennsylvania’s Punxsutawney Phil might be the most well-known weather-predicting groundhog, but a new list casts doubt on his accuracy. Phil did so poorly that even nonliving critters outshine ...

  8. Live streaming - Wikipedia

    en.wikipedia.org/wiki/Live_streaming

    In March 2015, Twitter launched a livestreaming app called Periscope. Normally, users would see a hyperlink attached to their broadcast, directing people to a new tab. Using Periscope, videos appear live on the timeline. If the user has allowed the site to share information, others can see where the user is streaming from.

  9. Lindsay Shiver, Former Beauty Queen Accused of Plotting ... - AOL

    www.aol.com/lifestyle/lindsay-shiver-former...

    Lindsay Shiver, a former beauty queen who is accused of plotting to kill her estranged husband, is set to be released from prison on bail for the second time ahead of her trial.. According to ...