The Boeing 787 Dreamliner is an American wide-body jet airliner manufactured by Boeing Commercial Airplanes. After dropping its Sonic Cruiser project, Boeing announced the conventional 7E7 on January 29, 2003, focused on efficiency. The program was launched on April 26, 2004, with an order for 50 from All Nippon Airways (ANA), targeting a 2008 introduction. On July 8, 2007, the prototype was rolled out without major […]
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Wireless communication (or just wireless, when the context allows) is the transfer of information between two or more points that do not use an electrical conductor as a medium by which to perform the transfer. The most common wireless technologies use radio waves. With radio waves, intended distances can be short, such as a few meters for Bluetooth or as far as millions of
A low-power wide-area network (LPWAN) or low-power wide-area (LPWA) network or low-power network (LPN) is a type of wireless telecommunication wide area network designed to allow long-range communications at a low bit rate among things (connected objects), such as sensors operated on a battery. The low power, low bit rate and intended use distinguish this type of network from a wireless WAN that is designed to connect users or businesses, and carry
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Electrical engineering is an engineering discipline concerned with the study, design and application of equipment, devices and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the latter half of the 19th century after commercialization of the electric telegraph, the telephone, and electrical power generation, distribution and use. Electrical engineering is now divided into a wide range of
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The cancelled expressways in Toronto were a planned series of expressways in Toronto, Ontario, Canada that were only partially built or cancelled due to public opposition. The system of expressways was intended to spur or handle growth in the suburbs of Toronto, but were opposed by citizens within the city of Toronto proper, citing the demolition of homes and park lands, air pollution,
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