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2. Readerest - Wikipedia

   en.wikipedia.org/wiki/Readerest

   After turning 40, founder Rick Hopper started using readers and began habitually losing, scratching and dropping his glasses. [1] In 2010, Hopper made prototypes using paperclips and magnets, solving the problem he had with trying to keep his glasses safe and secure. [1] It did not take long for consumer interest to grow.

3. I tried those Pair Eyewear glasses with the magnetic frames ...

   www.aol.com/lifestyle/tried-those-pair-eyewear...

   But the glasses themselves (which took around 10 days to arrive — your mileage may vary) are great; they're lightweight and comfortable, and Pair nailed my fairly complicated progressive-lens ...

4. Reading glasses - Wikipedia

   en.wikipedia.org/?title=Reading_glasses&redirect=no

   This page was last edited on 24 August 2016, at 01:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...

5. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

6. Verdet constant - Wikipedia

   en.wikipedia.org/wiki/Verdet_constant

   For a constant magnetic field parallel to the path of the light, it can be calculated as [2] θ = V B L , {\displaystyle \theta =VBL,} where θ {\displaystyle \theta } is the angle between the starting and ending polarizations, V {\displaystyle V} is the Verdet constant, B {\displaystyle B} is the strength of the magnetic flux density, and L ...

7. Magnetic ink character recognition - Wikipedia

   en.wikipedia.org/wiki/Magnetic_ink_character...

   [citation needed] Compared to CMC-7, some pairs of E-13B characters (notably 2 and 5) can produce relatively similar results when magnetically scanned; however, as a fallback if magnetic reading fails, E-13B also performs well under optical character recognition. [1] The E-13B repertoire can be represented in Unicode (see below).