Current Affairs MCQs – Page 78 (Q771-780)

Japan became the first country to build and operate a high-speed bullet train rail service, launching the Shinkansen line between Tokyo and Osaka in 1964, timed to coincide with that year's Tokyo Summer Olympics. The service dramatically reduced travel time between Japan's major cities while showcasing the country's rapid postwar technological and economic recovery. Germany, France and China are tempting distractors, as each later developed its own significant high-speed rail networks, but generally decades after Japan's pioneering Shinkansen. Japan's bullet train system remains renowned worldwide for its exceptional speed, punctuality and safety record.

The de Havilland Comet, a British-built aircraft, is widely regarded as the world's first commercial jet airliner, entering scheduled passenger service in 1952 and dramatically reducing flight times compared to earlier propeller-driven aircraft. Its early success, however, was soon overshadowed by a series of tragic crashes caused by metal fatigue around the aircraft's square window frames, a critical design flaw later identified and corrected. Boeing 707, Sud Aviation Caravelle and Douglas DC-8 are tempting distractors, as each was another significant early jet airliner, but all entered service years after the pioneering Comet. The Comet's structural failures led to major advances in aviation engineering and aircraft safety testing standards.

New Horizons, an American spacecraft, became the first spacecraft to fly by and photograph the dwarf planet Pluto, in July 2015, after a journey of over nine years across the solar system, providing humanity's first detailed close-up images of this distant, icy world. Its stunning images revealed surprising geological features, including mountains of water ice and a heart-shaped plain of nitrogen ice. Voyager 1, Juno and Cassini are tempting distractors, as each was another significant NASA space probe exploring different parts of the solar system, with Cassini specifically focused on studying Saturn and its moons. New Horizons continued onward after its Pluto flyby to study more distant objects within the Kuiper Belt.

Britain established the first permanent European colony in Australia in 1788, when a fleet of ships known as the First Fleet arrived at what is now Sydney, initially establishing the colony largely as a penal settlement for transported British convicts. This event is commemorated annually in Australia on January 26 as Australia Day, though the date remains a source of considerable controversy and debate given its association with the dispossession of Aboriginal peoples. France, Netherlands and Spain are tempting distractors, as each had earlier explored or charted parts of the Australian coastline without establishing a permanent settlement of their own. Australia's colonial population grew steadily throughout the 19th century, eventually leading to federation as an independent nation in 1901.

The Stockton and Darlington Railway, opened in northeastern England in 1825, is regarded as the world's first public railway to use steam locomotives, primarily built to transport coal but also carrying passengers, marking a pivotal moment in the development of modern rail transport. Its success helped inspire the rapid subsequent expansion of railway networks across Britain and eventually around the world. Great Western Railway, Liverpool and Manchester Railway and London and Birmingham Railway are tempting distractors, as each was another significant early British railway, but all opened after the pioneering Stockton and Darlington line. The railway's chief engineer, George Stephenson, went on to become one of the most influential figures in the early history of steam railway technology.

A team from the United States Army Air Service completed the first circumnavigation of the globe by aircraft in 1924, flying a fleet of specially modified biplanes across multiple continents with numerous refueling stops and aircraft changes along the way. The grueling journey took approximately six months to complete, highlighting both the ambition and the technological limitations of early 1920s aviation. German Luftwaffe, British Royal Air Force and French Air Force teams are tempting distractors, as each represents another major national air force, though none completed this particular pioneering achievement. This early round-the-world flight demonstrated the growing global reach and potential of military and civil aviation in the interwar period.

Otto Hahn and Fritz Strassmann, German chemists, are credited with the first experimental splitting of the atomic nucleus, known as nuclear fission, in 1938, discovering that bombarding uranium atoms with neutrons could split them into lighter elements while releasing significant energy. Their experimental results were subsequently interpreted theoretically by physicists Lise Meitner and Otto Frisch, who first correctly explained the fission process itself. Enrico Fermi and Leo Szilard, Albert Einstein and Niels Bohr, and Ernest Rutherford and James Chadwick are tempting distractors, as each pair made other significant, related contributions to nuclear physics around the same general era. This discovery of nuclear fission ultimately paved the way for both nuclear power generation and the development of atomic weapons during World War II.

France was among the first countries to widely adopt the guillotine as a method of execution, notably during its 1789 revolution, when the device was promoted partly as a more humane and egalitarian alternative to earlier, often brutal execution methods that had varied significantly by social class. It became infamously associated with the Reign of Terror that followed the revolution, during which thousands were executed. Spain, Britain and Germany are tempting distractors, as each used different traditional methods of capital punishment during the same historical period rather than adopting the guillotine. The guillotine remained France's official method of execution until the country abolished capital punishment entirely in 1981.

Bartolomeu Dias, a Portuguese explorer, led the first Portuguese expedition to round the Cape of Good Hope at the southern tip of Africa, in 1488, proving for the first time that a viable sea route existed connecting the Atlantic and Indian Oceans. His breakthrough voyage, though he himself did not continue on to India, laid the essential groundwork for Vasco da Gama's later successful voyage to India a decade afterward. Henry the Navigator, Pedro Alvares Cabral and Vasco da Gama are tempting distractors, with Henry the Navigator instead being an earlier Portuguese royal patron who sponsored many exploratory voyages without personally leading them himself. Dias's pioneering achievement was a crucial turning point in opening direct European maritime access to Asia.

Telstar 1, launched by the United States in 1962, became the first satellite to successfully transmit live television pictures across the Atlantic Ocean, allowing viewers in Europe and North America to watch broadcast content from the other side of the ocean in near real time for the first time. Its launch generated enormous public excitement about the transformative future potential of satellite communications technology. Syncom 2, Sputnik 1 and Echo 1 are tempting distractors, with Syncom 2 later becoming an early geostationary communications satellite and Echo 1 being an earlier, more primitive passive satellite that simply reflected radio signals. Telstar's success helped inspire the popular 1962 instrumental song of the same name, which topped music charts in both the US and UK.