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Supercontinuum generation from a photonic crystal optical fiber (seen as a glowing thread on the left) for gradually increasing intensity of a pump laser. On the right, the spectrum of the supercontinuum is shown after the output beam passed through a prism. The higher the pump intensity, the broader the supercontinuum.
Broadband over power lines (BPL) is a method of power-line communication (PLC) that allows relatively high-speed digital data transmission over public electric power distribution wiring. BPL uses higher frequencies, a wider frequency range, and different technologies compared to other forms of power-line communications to provide high-rate ...
Pay at the pump was first invented in 1973 in Abilene, Texas, but did not take off until the 1980s. [1] [2] The system was introduced in 1982 in Europe, and Mobil claims to have been the first gas station to introduce pay at the pump in the United States in 1986. [3] [4] Only thirteen percent of convenience stores had the technology by 1994 ...
Ontario County officials urge residents and businesses to help determine the need for expanded internet service.
Gas stations are routine stops for most people, but they also present opportunities for criminals to take advantage of those who are unaware. Before you fill up your tank next time, it's important ...
But in long-range Wi-Fi, special technologies are used to get the most out of a Wi-Fi connection. The 802.11-2007 standard adds 10 MHz and 5 MHz OFDM modes to the 802.11a standard, and extend the time of cyclic prefix protection from 0.8 μs to 3.2 μs, quadrupling the multipath distortion protection. Some commonly available 802.11a/g chipsets ...
NYC's Times Square is already preparing for the New Year's Eve festivities. (Michael M. Santiago/Getty Images) (Michael M. Santiago via Getty Images)
Whirlpool began as a community resource for users of Telstra's BigPond cable Internet service, the name Whirlpool being a parody of BigPond. [3] However, it soon expanded to cover Optus' Optus@Home (now known as OptusNet) cable internet service, ADSL-based services, and other forms of broadband ISPs in Australia, as they became available.