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2. Ceilometer - Wikipedia

   en.wikipedia.org/wiki/Ceilometer

   Laser ceilometer. A ceilometer is a device that uses a laser or other light source to determine the height of a cloud ceiling or cloud base. [1] Ceilometers can also be used to measure the aerosol concentration within the atmosphere. [2] A ceilometer that uses laser light is a type of atmospheric lidar (light detection and ranging) instrument ...

3. Ceiling projector - Wikipedia

   en.wikipedia.org/wiki/Ceiling_projector

   The projector is normally set at 90°, although 71° 31' may be used, in relation to the terrain. The projector consists of a 430-watt incandescent bulb set in a weatherproof housing. Inside the housing are two mirrors ; the first, above the bulb, reflects the light downwards to the second mirror, that then reflects the light upwards to the cloud.

4. Meteorological instrumentation - Wikipedia

   en.wikipedia.org/wiki/Meteorological_instrumentation

   A ceilometer is a device that uses a laser or other light source to determine the height of a cloud base. Ceilometers can also be used to measure the aerosol concentration within the atmosphere. Ceilometers can also be used to measure the aerosol concentration within the atmosphere.

5. Automated airport weather station - Wikipedia

   en.wikipedia.org/wiki/Automated_airport_weather...

   Automated airport weather stations use an upward-pointing laser beam ceilometer to detect the amount and height of clouds. The laser is pointed upward, and the time required for reflected light to return to the station allows for the calculation of the height of the cloud base.

6. Laser projector - Wikipedia

   en.wikipedia.org/wiki/Laser_projector

   A laser projector is a device that projects changing laser beams on a screen to create a moving image for entertainment or professional use. [1] It consists of a housing that contains lasers, mirrors , galvanometer scanners, and other optical components.

7. Samsung Freestyle: Everything We Know About This Smart Laser ...

   www.aol.com/news/samsung-freestyle-everything...

   Buy: Samsung Freestyle Pre-Order for $899.99 . Designed with a Spotlight in Mind. When you think about what today’s projectors look like, you’d probably envision a boxy contraption with a lens ...

8. I tried the Bomaker Polaris 4K projector — and it's a ...

   www.aol.com/entertainment/tried-bomaker-polaris...

   With a projector, that's one more thing to add, and then one more remote to juggle. The Bomaker Polaris 4K projector: my hands-on review Confession time: I realized my home-theater dream last year ...

9. List of weather instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_weather_instruments

   Weather stations typically have these following instruments: . Thermometer for measuring air and sea surface temperature; Barometer for measuring atmospheric pressure; Hygrometer for measuring humidity