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  2. Human population projections - Wikipedia

    en.wikipedia.org/wiki/Human_population_projections

    The UN Population Division has calculated the future population of the world's countries, based on current demographic trends. The UN's 2024 report projects world population to be 8.1 billion in 2024, about 9.6 billion in 2050, and about 10.2 billion in 2100. The following table shows the largest 15 countries by population as of 2024, 2050 and ...

  3. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    This division into four main areas—arithmetic, geometry, algebra, and calculus [9] —endured until the end of the 19th century. Areas such as celestial mechanics and solid mechanics were then studied by mathematicians, but now are considered as belonging to physics. [ 10 ]

  4. Steve Jobs - Wikipedia

    en.wikipedia.org/wiki/Steve_Jobs

    His "thin, almost gaunt" appearance and unusually "listless" delivery, [184] [185] together with his choice to delegate significant portions of his keynote to other presenters, inspired a flurry of media and internet speculation about the state of his health. [186]

  5. Inflation - Wikipedia

    en.wikipedia.org/wiki/Inflation

    The adoption of fiat currency by many countries, from the 18th century onwards, made much larger variations in the supply of money possible. [27] Rapid increases in the money supply have taken place a number of times in countries experiencing political crises, producing hyperinflations – episodes of extreme inflation rates much higher than ...

  6. 1884 United States presidential election - Wikipedia

    en.wikipedia.org/wiki/1884_United_States...

    For this reason, 1884 is a significant election in U.S. political history, marking an interruption in the era when Republicans largely controlled the presidency between Reconstruction and the Great Depression. Cleveland won the presidential nomination on the second ballot of the 1884 Democratic National Convention.

  7. Hewlett-Packard - Wikipedia

    en.wikipedia.org/wiki/Hewlett-Packard

    The company earned global respect for a variety of products. They introduced the world's first handheld scientific electronic calculator in 1972 (the HP-35), the first handheld programmable in 1974 (the HP-65), the first alphanumeric, programmable, expandable in 1979 (the HP-41C), and the first symbolic and graphing calculator, the HP-28C.

  8. Virtual reality - Wikipedia

    en.wikipedia.org/wiki/Virtual_reality

    [39] [40] In 2014, Facebook (later Meta) purchased Oculus VR for what at the time was stated as $2 billion [41] but later revealed that the more accurate figure was $3 billion. [40] This purchase occurred after the first development kits ordered through Oculus' 2012 Kickstarter had shipped in 2013 but before the shipping of their second ...

  9. Demographics of North Korea - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_North_Korea

    The figures disclosed by the government reveal an unusually low proportion of males to females: in 1980 and 1987, the male-to-female ratios were 86.2 to 100, and 84.2 to 100, respectively. [12] Low male-to-female ratios are usually the result of a war, but these figures were lower than the sex ratio of 88.3 males per 100 females recorded for ...