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2. 8 Must-Buys at Costco Every Christmas, According to Experts - AOL

   www.aol.com/8-must-buys-costco-every-202454154.html

   For many families, Costco is just a normal part of their shopping experience. For others, the warehouse club is a place to go for seasonal goodies because it is known for its great deals.. I’m a ...

3. The 9 Best Sale Items at Costco Right Now - AOL

   www.aol.com/9-best-sale-items-costco-200246923.html

   $5.50 off each 24-pack of 16.9-ounce bottles. If you're tackling Dry January, San Pellegrino sparkling mineral water is a great way to mix things up.The 24-pack of 16.9-ounce bottles is $5.50 off ...

4. 8 Affordable Christmas Items Available at Costco Now - AOL

   www.aol.com/8-affordable-christmas-items...

   Costco offers these lighted figures with 24K gold accents for $59.99 each. Choose from an angel, nutcracker, Santa, or a Christmas tree, all measuring just under 11 inches tall.

5. Diffuser (optics) - Wikipedia

   en.wikipedia.org/wiki/Diffuser_(optics)

   In optics, a diffuser (also called a light diffuser or optical diffuser) is any material that diffuses or scatters light in some manner to transmit soft light.Diffused light can be easily obtained by reflecting light from a white surface, while more compact diffusers may use translucent material, including ground glass, teflon, opal glass, and greyed glass.

6. Light tube - Wikipedia

   en.wikipedia.org/wiki/Light_tube

   At the end point (the point of use), a diffuser spreads the light into the room. The first full-scale passive horizontal light pipes were built at the Daylight Lab at Texas A&M University, where the annual daylight performance was thoroughly evaluated in a 360 degree rotating 6 m wide by 10 m deep room. The pipe is coated with a 99.3% specular ...

7. Compact fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Compact_fluorescent_lamp

   Circular and U-shaped lamps were devised to reduce the length of fluorescent light fixtures. The first fluorescent light bulb and fixture were displayed to the general public at the 1939 New York World's Fair. The spiral CFL was invented in 1976 by Edward E. Hammer, an engineer with General Electric, [7] in response to the 1973 oil crisis. [8]