

50 ad), with his steam-powered aeolipile. The early experimenters included the inventor Heron of Alexandria ( c. Just as George Cayley and John Stringfellow of England, Lawrence Hargrave of Australia, Otto Lilienthal of Germany, and others had conducted experiments with flight in the years preceding Wilbur and Orville Wright’s successful Wright flyer of 1903, so too were there many pioneers in the field of turbine engines before the almost simultaneous inventive successes of Frank Whittle of England and Hans von Ohain of Germany in the 1930s and ’40s. Commercial jet aircraft have revolutionized world travel, opening up every corner of the world not just to the affluent but to the ordinary citizens of many countries. And, although it was not immediately evident, the invention of the jet engine had a far more significant social effect on the world through commercial aviation than through its military counterpart. By the late 20th century, however, commercial jet-engine technology had come to rival and sometimes even lead military technology in several areas of engine design. At first this was also the case in the jet age, which began with the invention of jet engines under military sponsorship in the 1930s and ’40s. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!įrom the very invention of flight at the beginning of the 20th century, military aircraft and engines generally led the way, and commercial aviation followed.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.

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COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.From tech to household and wellness products. Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.
