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2. Twisted nematic field effect - Wikipedia

   en.wikipedia.org/wiki/Twisted_nematic_field_effect

   Not being self-lit, LCDs also required external lighting if they were going to be used in low-light situations, which made existing display technologies even more unattractive in overall power terms. A further limitation was the requirement for a mirror, which limited the viewing angles.

3. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   A set of modern LED flashlights. A flashlight or electric torch (Commonwealth English), usually shortened to torch, is a portable hand-held electric lamp.Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes (LEDs) since the early 2000s.

4. Digital light processing - Wikipedia

   en.wikipedia.org/wiki/Digital_Light_Processing

   Light from the lamp enters a reverse-fisheye, passes through the spinning color wheel, crosses underneath the main lens, reflects off a front-surfaced mirror, and is spread onto the DMD (red arrows). From there, light either enters the lens (yellow) or is reflected off the top cover down into a light-sink (blue arrows) to absorb unneeded light.

5. The 20 best gifts for parents of all ages - AOL

   www.aol.com/lifestyle/best-gifts-parents...

   The 46 built-in LED lights have three settings: white, warm, and cold light, and the mirror also has a memory function to store the last setting used. $40 at Amazon American Lifetime

6. Heugh Lighthouse - Wikipedia

   en.wikipedia.org/wiki/Heugh_lighthouse

   The Heugh Lighthouse is a navigation light on The Headland in Hartlepool, in north-east England. The current lighthouse dates from 1927; it is owned and operated by PD Ports. It is claimed that its early-Victorian predecessor was the first lighthouse in the world reliably lit by gas. [2]

7. 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.