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2. Diffuser (optics) - Wikipedia

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

   A flash diffuser (also called a speedlight diffuser, or shoot-through diffuser) spreads the light from the flash of a camera. A diffusion filter of this type may also be used in front of a non-flash studio light to soften the light on the scene being shot; such filters are used in still photography, in film lighting , and in stage lighting .

3. Diffuser (sewage) - Wikipedia

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

   An air diffuser or membrane diffuser is an aeration device typically in the shape of a disc, tube or plate, which is used to transfer air and with that oxygen into the sewage or industrial wastewater. Oxygen is required by microorganisms/bacteria residents in the water to break down the pollutants.

4. Liquid-crystal display - Wikipedia

   en.wikipedia.org/wiki/Liquid-crystal_display

   A diffuser sheet is placed on both sides of the prism sheet to distribute the light of the backlight uniformly, while a mirror is placed behind the light guide plate to direct all light forwards. The prism sheet with its diffuser sheets are placed on top of the light guide plate.

5. Diffuser - Wikipedia

   en.wikipedia.org/wiki/Diffuser

   Diffuser (optics), a device that spreads out or scatters light; Diffuser (sewage), an aerating device for sewage and industrial waste water treatments; Diffuser (thermodynamics), a device that controls the characteristics of a fluid at the entrance to a thermodynamic open system

6. Fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Fluorescent_lamp

   A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor, to produce ultraviolet and make a phosphor coating in the lamp glow.

7. Mortgage and refinance rates for Dec. 17, 2024: Average ... - AOL

   www.aol.com/finance/mortgage-and-refinance-rates...

   The average rate for shorter 15-year terms is 6.11% for purchase and 6.13% for refinance, down 3 basis points from 6.14% for purchase and 2 basis points from 6.15% for refinance this time last week.