Cars & Other Vehicles, MAC-PRA
Automobile, byname auto, also called motorcar or car, a usually four-wheeled vehicle designed primarily for passenger transportation and commonly propelled by an internal-combustion engine using a volatile fuel.
Cars & Other Vehicles Encyclopedia Articles By Title
macadam, form of pavement invented by John McAdam of Scotland in the 18th century. McAdam’s road cross section......
Magellan, U.S. spacecraft that from 1990 to 1994 used radar to create a high-resolution map of the surface of Venus.......
maglev, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion.......
magnetic compass, in navigation or surveying, an instrument for determining direction on the surface of Earth by......
Manila galleon, Spanish sailing vessel that made an annual round trip (one vessel per year) across the Pacific......
Marine One, any aircraft of the U.S. Marine Corps transporting the president of the United States. Strictly speaking,......
Mariner, any of a series of unmanned U.S. space probes sent to the vicinities of Venus, Mars, and Mercury. Mariner......
Mars Atmosphere and Volatile Evolution (MAVEN), U.S. spacecraft designed to study the upper atmosphere of Mars......
Mars Global Surveyor, robotic U.S. spacecraft launched to the planet Mars to carry out long-term study from orbit......
Mars Pathfinder, robotic U.S. spacecraft launched to Mars to demonstrate a new way to land a spacecraft on the......
Mars Polar Lander, unsuccessful U.S. space probe that was designed to study the polar regions of Mars and whose......
Mars Reconnaissance Orbiter (MRO), U.S. satellite that orbited Mars and studied its geology and climate. The MRO......
marshaling yard, fan-shaped network of tracks and switches where railroad cars are sorted and made up into trains......
Mary Rose, an English warship commissioned during Henry VIII’s reign that often served as the flagship of the fleet.......
Maserati, Italian automobile manufacturer known for racing, sports, and GT (Grand Touring) cars. It is a subsidiary......
mass transit, the movement of people within urban areas using group travel technologies such as buses and trains.......
Mauretania, transatlantic passenger liner of the Cunard Line, called the “Grand Old Lady of the Atlantic.” It was......
Mazda Motor Corporation, a leading Japanese brand and automotive manufacturer, maker of Mazda passenger cars, trucks,......
Mercedes-Benz Group is an international automotive company and one of the world’s leading manufacturers of cars......
merchant marine, the commercial ships of a nation, whether privately or publicly owned. The term merchant marine......
Mercury, any of the first series of crewed spaceflights conducted by the United States (1961–63). The series began......
mesoscaphe, diving vessel built by the Swiss scientist Jacques Piccard that suspended itself automatically at predetermined......
Messenger, U.S. spacecraft that studied Mercury’s surface and environment. The name was selected in honour of ancient......
Mexicana Airlines, oldest airline in North America, founded in 1924 in Tampico, Mex., and now headquartered in......
Midas, any of a series of 12 unmanned U.S. military satellites developed to provide warning against surprise attacks......
MiG-15, single-seat, single-engine Soviet jet fighter, built by the Mikoyan-Gurevich design bureau and first flown......
military aircraft, any type of aircraft that has been adapted for military use. Aircraft have been a fundamental......
- Introduction
- WWI, Aviation, Combat
- Fighters, Combat, Defense
- Interwar, Developments, Technology
- Bombers, Jet Engines, Stealth
- Night Fighters, Radar, Combat
- Jet Engines, Supersonic Flight, Stealth
- Transonic Flight, Supersonic Speed, Aerodynamics
- Multimission, Versatility, Combat
- Stealth, Radar, Design
- Helicopters, Rotors, Engines
- UAVs, Drones, Autonomy
minesweeper, naval vessel used to clear an area of mines (see mine). The earliest sweeping system, devised to clear......
Mirage, any member of a family of combat aircraft produced by the Dassault-Breguet aeronautics firm of France.......
Missouri, American battleship, scene of the Japanese surrender on September 2, 1945, that formally ended World......
Missouri Pacific Railroad Company, former American railroad founded to build the first rail line west of the Mississippi......
Modane train crash of 1917, train derailment in Modane, France, on Dec. 12, 1917, that killed more than 500 French......
Model T, automobile built by the Ford Motor Company from 1908 until 1927. Conceived by Henry Ford as practical,......
monitor, ironclad warship originally designed for use in shallow harbours and rivers to blockade the Confederate......
monoplane, type of aircraft with a single pair of wings. The monoplane design has been nearly universally adopted......
monorail, railway that runs on a single rail. This rail may be located either above or beneath the railway cars.......
Moscow Metro, subway system serving the city of Moscow and several neighbouring towns within Moscow oblast. The......
motorboat, a relatively small watercraft propelled by an internal-combustion or electric engine. Motorboats range......
motorcycle, any two-wheeled or, less commonly, three-wheeled motor vehicle, usually propelled by an internal-combustion......
Motorola, Inc., American manufacturer and one of the historic brands of wireless communications and electronic......
Mount Cenis Tunnel, rail tunnel from Modane, France, to Bardonècchia, Italy, the first great Alpine tunnel to be......
MS St. Louis, German ocean liner that gained international attention in May–June 1939 when Cuba, the United States,......
N1, Soviet launch vehicle. In the early 1960s, Soviet designers began work on the N1, which was originally designed......
National Aeronautics and Space Administration (NASA), independent U.S. governmental agency established in 1958......
National Air and Space Museum, American museum of aviation and space exploration, part of the Smithsonian Institution,......
National Highway Traffic Safety Administration (NHTSA), organization within the United States Department of Transportation......
National Institute of Standards and Technology (NIST), agency of the U.S. Department of Commerce responsible for......
National Maritime Museum, national museum concerned with the maritime history of Great Britain. It is situated......
National Traffic and Motor Vehicle Safety Act, U.S. legislation that required automobile manufacturers to institute......
Nautilus, any of at least three historic submarines (including the world’s first nuclear-powered vessel) and a......
navigation, science of directing a craft by determining its position, course, and distance traveled. Navigation......
- Introduction
- Magnetic, Directional, Orientation
- Marine Charts, GPS, Sonar
- Celestial, Chronometers, Maps
- GPS, Radar, Sonar
- Dead Reckoning, Celestial, Instruments
- Inertial Guidance, Sensors, Gyroscopes
- Radio, GPS, Sonar
- Distance, Measurement, Instruments
- Gyromagnetic, Compass, Technology
- Radar, Sonar, GPS
navigation chart, map designed and used primarily for navigation. A nautical chart presents most of the information......
Near Earth Asteroid Rendezvous Shoemaker (NEAR Shoemaker), first spacecraft to orbit and then land on an asteroid......
New Horizons, U.S. space probe that flew by the dwarf planet Pluto and its largest moon, Charon, in July 2015.......
New York Central Railroad Company, one of the major American railroads that connected the East Coast with the interior.......
New York, Chicago and St. Louis Railroad Company, American railroad that began operations between Buffalo, N.Y.,......
New York, New Haven and Hartford Railroad Company, American railroad operating in southern New England and New......
Nissan Motor Co., Ltd., Japanese industrial corporation that manufactures automobiles, trucks, and buses under......
Norfolk and Western Railway Company, former American railroad that originated as an eight-mile single-track line......
Northern Pacific Railway Company, one of the northern transcontinental railroads of the United States, operating......
Northwest Airlines, Inc., American airline founded in 1926 as Northwest Airways, Inc., and incorporated on April......
Nozomi, unsuccessful Japanese space probe that was designed to measure the interaction between the solar wind and......
nuclear submarine, submarine that relies on a nuclear reactor to drive its propulsion system. A nuclear submarine......
ocean liner, one of the two principal types of merchant ship as classified by operating method; the other is the......
Olympic, British luxury liner that was a sister ship of the Titanic and the Britannic. It was in service from 1911......
Olympic Airlines, Greek airline, formerly known as Olympic Airways, founded on April 6, 1957, by the Greek shipowner......
one-horse shay, open two-wheeled vehicle that was the American adaptation of the French chaise. Its chairlike body,......
Opel AG, German automotive company, a wholly owned subsidiary of Stellantis NV, specializing in the manufacture......
Orbiting Astronomical Observatory (OAO), any of a series of four unmanned U.S. scientific satellites developed......
Orbiting Geophysical Observatory (OGO), any of a series of six unmanned scientific satellites launched by the United......
Orient-Express, luxury train that ran from Paris to Constantinople (Istanbul) for more than 80 years (1883–1977).......
ornithopter, machine designed to fly by the flapping of its wings in imitation of birds. The wooden bird said to......
For its new 14th Edition in 1929, Britannica sought a biography of that pioneering 20th-century Daedalus, Wilbur......
Oseberg ship, 9th-century Viking ship that was discovered in 1903 on a farm in southeastern Norway and excavated......
Pacific Scandal, (1872–73), charges of corruption against Canadian prime minister Sir John A. Macdonald in awarding......
pack animal, any domesticated animal that is used to carry freight, goods, or supplies. The ass or donkey is the......
paddle wheel, method of ship propulsion that was once widely employed but is now almost entirely superseded by......
pageant wagon, wheeled vehicle used in the processional staging of medieval vernacular cycle plays. Processional......
Pan American World Airways, Inc., former American airline that was founded in 1927 and, up until the final two......
parachute, device that slows the vertical descent of a body falling through the atmosphere or the velocity of a......
pavement, in civil engineering, durable surfacing of a road, airstrip, or similar area. The primary function of......
Was there a “back door” to World War II, as some revisionist historians have asserted? According to this view,......
Pearl Harbor attack, (December 7, 1941), surprise aerial attack on the U.S. naval base at Pearl Harbor on Oahu......
pedicab, three-wheeled vehicle with a hooded carriage body balanced on two of the wheels. The body may be placed......
Pegasus, any of a series of three U.S. scientific satellites launched in 1965. These spacecraft were named for......
Pennsylvania Railroad Company, largest of the trunkline railroads that connected the East Coast of the United States......
phaeton, open, four-wheeled, doorless carriage, popular in the 18th and 19th centuries. It contained one or two......
Phobos-Grunt, Russian spacecraft that was designed to land on the Martian moon Phobos and bring some of its soil......
Pilcher Hawk, monoplane glider designed, built, and first flown by the English aviator Percy Sinclair Pilcher in......
Pioneer, any of the first series of unmanned U.S. space probes designed chiefly for interplanetary study. Whereas......
pirogue, in its simplest form, a dugout made from one log, but also a number of more elaborately fashioned boats,......
Plimsoll line, internationally agreed-upon reference line marking the loading limit for cargo ships. At the instigation......
Popemobile, motorized vehicle used to transport the pope, the leader of the Roman Catholic Church, when he greets......
Popular Mechanics, American print and online magazine that publishes articles on home improvement, automobile maintenance,......
Port Authority of New York and New Jersey, self-supporting corporate agency formed in 1921 by agreement between......
portolan chart, navigational chart of the European Middle Ages (1300–1500). The earliest dated navigational chart......
post chaise, four-wheeled, closed carriage, containing one seat for two or three passengers, that was popular in......
Potemkin (Russian battleship), Russian battleship built for the Black Sea fleet of the Imperial Russian Navy. It......
power steering, system to aid the steering of an automobile by use of a hydraulic device (driven from the engine)......
prairie schooner, 19th-century covered wagon popularly used by emigrants traveling to the American West. In particular,......