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2. Fresnel zone - Wikipedia

   en.wikipedia.org/wiki/Fresnel_zone

   A Fresnel zone ( English: / freɪˈnɛl / fray-NEL ), named after physicist Augustin-Jean Fresnel, is one of a series of confocal prolate ellipsoidal regions of space between and around a transmitter and a receiver. The primary wave will travel in a relative straight line from the transmitter to the receiver. Aberrant transmitted radio, sound ...

3. Ethernet flow control - Wikipedia

   en.wikipedia.org/wiki/Ethernet_flow_control

   Ethernet flow control is a mechanism for temporarily stopping the transmission of data on Ethernet family computer networks. The goal of this mechanism is to avoid packet loss in the presence of network congestion . The first flow control mechanism, the pause frame, was defined by the IEEE 802.3x standard.

4. Dynamic frequency selection - Wikipedia

   en.wikipedia.org/wiki/Dynamic_frequency_selection

   Dynamic Frequency Selection ( DFS) is a channel allocation scheme specified for wireless LANs, commonly known as Wi-Fi. It is designed to prevent electromagnetic interference by avoiding co-channel operation with systems that predated Wi-Fi, such as military radar, satellite communication, and weather radar, and also to provide on aggregate a ...

5. Vertigo: Causes, Symptoms, and Treatment - WebMD

   www.webmd.com/brain/vertigo-symptoms-causes...

   Pulled to one direction. Other symptoms that may accompany vertigo include: Feeling nauseated. Vomiting. Abnormal or jerking eye movements (nystagmus) Headache. Sweating. Ringing in the ears or ...

6. .com - Wikipedia

   en.wikipedia.org/wiki/.com

   Verisign.com Registry. The domain com is a top-level domain (TLD) in the Domain Name System (DNS) of the Internet. Created in the first group of Internet domains at the beginning of 1985, its name is derived from the word commercial, [1] indicating its original intended purpose for subdomains registered by commercial organizations.

7. Wikipedia - Wikipedia

   en.wikipedia.org/wiki/Wikipedia

   Wikipedia is the largest and most-read reference work in history. [3] [4] It is consistently ranked as one of the ten most popular websites in the world, and as of 2024 is ranked the fifth most visited website on the Internet by Semrush, [5] and second by Ahrefs. [6]