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2. 100 “One Size Fits All” Presents That Will Please Everyone

   www.aol.com/only-gift-guide-100-christmas...

   #14 Star Projector Galaxy Night Light : ... High-Quality Queen-Sized Pillows Offering Superior ... I used the older T10 which has great sound quality but it is bulky. Battery life is around 3 ...

3. Planetarium projector - Wikipedia

   en.wikipedia.org/wiki/Planetarium_projector

   A Zeiss Universarium Mark IX starball projector. A planetarium projector, also known as a star projector, is a device used to project images of celestial objects onto the dome in a planetarium. Modern planetarium projectors were first designed and built by the Carl Zeiss Jena company in Germany between 1923 and 1925, and have since grown more ...

4. Digistar - Wikipedia

   en.wikipedia.org/wiki/Digistar

   Digistar is the first computer graphics-based planetarium projection and content system.It was designed by Evans & Sutherland and released in 1983. The technology originally focused on accurate and high quality display of stars, including for the first time showing stars from points of view other than Earth's surface, travelling through the stars, and accurately showing celestial bodies from ...

5. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   High-power light-emitting diodes attached to an LED star base (Luxeon, Lumileds See also: Solid-state lighting , LED lamp , and Thermal management of high-power LEDs High-power LEDs (HP-LEDs) or high-output LEDs (HO-LEDs) can be driven at currents from hundreds of mA to more than an ampere, compared with the tens of mA for other LEDs.

6. Amazon's No. 1 bestselling projector turns your room into a ...

   www.aol.com/lifestyle/amazon-no-1-bestseller...

   This clever projector has over 10,000 five-star reviews on Amazon, like one that called it "perfect for bedroom, media room, or home theater."One shopper, who purchased it as a gift for his nieces ...

7. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   High-intensity discharge lamps are a type of arc lamp. Brand new high-intensity discharge lamps make more visible light per unit of electric power consumed than fluorescent and incandescent lamps, since a greater proportion of their radiation is visible light in contrast to infrared. However, the lumen output of HID lighting can deteriorate by ...