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  2. Mirror - Wikipedia

    en.wikipedia.org/wiki/Mirror

    A normal household-mirror made with float glass may have flatness tolerances as low as 9–14λ per inch (25.4 mm), equating to a deviation of 5600 through 8800 nanometers from perfect flatness. Precision ground and polished mirrors intended for lasers or telescopes may have tolerances as high as λ/50 (1/50 of the wavelength of the light, or ...

  3. Curtain wall (architecture) - Wikipedia

    en.wikipedia.org/wiki/Curtain_wall_(architecture)

    In residential construction, thicknesses commonly used are 1 ⁄ 8 inch (3.2 mm) monolithic and 5 ⁄ 8 inch (16 mm) insulating glass. Glass may be used which is transparent, translucent, or opaque, or in varying degrees thereof. Transparent glass usually refers to vision glass in a curtain wall. Spandrel or vision glass may also contain ...

  4. Looking Glass - Wikipedia

    en.wikipedia.org/wiki/Looking-glass

    Looking Glass (Fay Hield album), 2010; Looking Glass, a 2008 song, video and EP recording by The Birthday Massacre "The Looking Glass" (song), a song by Dream Theater "Looking Glass", a song by All Hail the Silence from their 2019 album Daggers "Looking Glass", a song by Allan Holdsworth from his 1986 album, Atavachron

  5. Non-reversing mirror - Wikipedia

    en.wikipedia.org/wiki/Non-reversing_mirror

    If the joint is positioned so that it is vertical, an observer looking into the angle sees a non-reversed image. Such an image is visible while looking toward the corner where the two mirrors meet. With this type of non-reversing mirror, that there is usually a line down the middle interrupting the image.

  6. Looking Glass (film) - Wikipedia

    en.wikipedia.org/wiki/Looking_Glass_(film)

    On review aggregator website Rotten Tomatoes, the film holds an approval rating of 21% based on 24 reviews, with an average rating of 4.1/10.The site's critical consensus reads, "Looking Glass gives Nicolas Cage a chance to turn in an atypically understated performance, but this is still a suspense thriller with a fatal dearth of suspense or thrills."

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Unusual types of gramophone records - Wikipedia

    en.wikipedia.org/wiki/Unusual_types_of...

    Phonoscène - 16-inch discs were used, but also 12-inch and 10-inch discs, [8] as part of an early sound-film system made by Léon Gaumont. The discs were synchronised to a motion picture film, and were played on a Chronophone. Vitaphone "talking pictures" – 16-inch discs playing at 33 1 ⁄ 3 rpm provided the sound in the Vitaphone "talking ...

  9. Operation Looking Glass - Wikipedia

    en.wikipedia.org/wiki/Operation_Looking_Glass

    The Looking Glass was also designed to help ensure continuity and reconstitution of the US government in the event of a nuclear attack on North America. Although the two types of aircraft are distinct, the Doomsday Plane nickname is also frequently associated with the Boeing E-4 "Nightwatch" Advanced Airborne Command Post mission and aircraft.