When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Cool Down Your Space From Above With These Editor-Recommended ...

   www.aol.com/7-best-ceiling-fans-silent-124800690...

   The ceiling fan even provides a dimmable LED bulb with the purchase. With three brushed-nickel blades and a matte opal light kit, this ceiling fan creates a sleek, modern design suitable for a ...

3. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Ceiling fans were proven to have a more significant effect on the droplet and airborne transmission when the coughing infected person is located directly under the ceiling fan. Ceiling fans offer better protection from cough exposure for people located closer to the fan center, where the directed airflow changing particle trajectory downward to ...

4. Telescoping (mechanics) - Wikipedia

   en.wikipedia.org/wiki/Telescoping_(mechanics)

   Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an aerial work platform) from its rest state. [1] In modern equipment this can be achieved by a hydraulics , but pulleys are generally used for simpler designs such as extendable ladders and amateur ...

5. Brushless DC electric motor - Wikipedia

   en.wikipedia.org/wiki/Brushless_DC_electric_motor

   The four poles on the stator of a two-windings single-phase brushless motor. This is part of a computer cooling fan; the rotor has been removed. Brushless motors fulfill many functions originally performed by brushed DC motors, but cost and control complexity prevents brushless motors from replacing brushed motors completely in the lowest-cost ...

6. Whip antenna - Wikipedia

   en.wikipedia.org/wiki/Whip_antenna

   The whip antenna is a monopole antenna, and like a vertical dipole has an omnidirectional radiation pattern, radiating equal radio power in all azimuthal directions (perpendicular to the antenna's axis), with the radiated power falling off with elevation angle to zero on the antenna's axis. [1]

7. Telephoto lens - Wikipedia

   en.wikipedia.org/wiki/Telephoto_lens

   A collection of telephoto lenses. A telephoto lens, also known as telelens, is a specific type of a long-focus lens used in photography and cinematography, in which the physical length of the lens is shorter than the focal length.