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2. The best outdoor projectors in 2024 - AOL

   www.aol.com/news/best-outdoor-projectors-2024...

   Nebula Capsule 3 $399.99 at Nebula by Anker. Lawrence also recommends the Nebula Capsule 3, a highly portable, can-shaped projector that retails for half the price of the Nebula Mars 3 but matches ...

3. The best portable projector I've ever used is down to a ... - AOL

   www.aol.com/lifestyle/best-portable-projector...

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4. Are Outdoor Movie Projectors Better Than Traditional Movie ...

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   We found the best outdoor projector for movies at home by analyzing reviews and specs like moisture resistance, picture acoustics quality, and adjustability.

5. Phase-out of incandescent light bulbs - Wikipedia

   en.wikipedia.org/wiki/Phase-out_of_incandescent...

   Various governments have passed legislation to phase out manufacturing or importation of incandescent light bulbs for general lighting in favor of more energy- efficient alternatives. The regulations are generally based on efficiency, rather than use of incandescent technology. Brazil and Venezuela started the phase-out in 2005, [citation ...

6. Color rendering index - Wikipedia

   en.wikipedia.org/wiki/Color_rendering_index

   Researchers use daylight as the benchmark to which to compare color rendering of electric lights. In 1948, daylight was described as the ideal source of illumination for good color rendering because "it (daylight) displays (1) a great variety of colors, (2) makes it easy to distinguish slight shades of color, and (3) the colors of objects around us obviously look natural".

7. Hydrargyrum medium-arc iodide lamp - Wikipedia

   en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

   Hydrargyrum medium-arc iodide (HMI) is the trademark name of Osram 's brand of metal-halide gas discharge medium arc-length lamp, [1] made specifically for film and entertainment applications. Hydrargyrum comes from the Greek name for the element mercury. An HMI lamp uses mercury vapour mixed with metal halides in a quartz -glass envelope, with ...