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Contribution - humans started to think of different ways of flight. Significance - lead to the development of other equipment used for flight such as balloons and gliders. Resource - https://www.grc.nasa.gov/www/k-12/UEET/StudentSite/historyofflight.html.
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Contribution - demonstrated how humans could fly one day. Significance - the ideas of this machine were used in the future to invent the modern day helicopter. Resources - https://www.da-vinci-inventions.com/flying-machine.
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Contribution - proposed that humans didn't have enough strength to power artificial wings. Significance - proved that human flight would require some form of artificial propulsion. Resource - http://www.cabinetmagazine.org/issues/27/tkacsyk.php.
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Contribution - the invention of the first hot air balloon. Hot air was used to allow the balloon to rise into the air. Significance - the first successful maned flight. Robert Hooke's theory of artificial propulsion was proven to be correct. Resources - https://www.museumofflight.org/Exhibits/montgolfier-brothers-balloon.
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Contribution - discovered the four aerodynamic forces that make up aeronautics. The four aerodynamic forces being weight, lift, drag, and thrust. Significance - was the discovery of a new way man could fly. Resource - https://www.britannica.com/biography/Sir-George-Cayley.
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Contribution - first person to design a glider that was capable of flying a human. Significance - designed gliders that were able to fly. Resource - http://www.flyingmachines.org/lilthl.html.
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Contribution - designed an engine to power an airplane. Built airplane propellers. Significance - built and flew the first airplane. They designed the airplane that took flight. Resource - https://www.history.com/topics/inventions/wright-brothers.
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Contribution - Charles Lindberg was the first man to fly across the Atlantic Ocean in an airplane. Significance - he flew solo and without any stopping points. Resource - https://historicmissourians.shsmo.org/historicmissourians/name/l/lindbergh/.
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Contribution - Amelia Earhart was the first woman to cross the Atlantic Ocean in an airplane. Significance - she flew solo and without any stopping points. Demonstrated that flight wasn't restricted to one gender. Resource - https://flightpaths.lib.purdue.edu/blog/2016/09/13/amelia-earhart-the-flying-feminist/.
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Contribution - end of airships during this era. Significance - demonstrated that accidents can happen with these man-made machines. Resource - https://www.livescience.com/58959-hindenburg-crash.html.
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Contribution - Chuck Yeager flew the first aircraft to exceed the speed of sound. Significance - Demonstrated that flight exploration was just beginning. Resource - https://www.britannica.com/biography/Chuck-Yeager.
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Contribution - demonstrated that space exploration is possible. Significance - a spacecraft arrived on the surface of the moon. Neil Armstrong was the first man to set foot on the moon. His famous quote regarding the moon landing was "That's one small step for a man, one giant leap for mankind." Resource - https://www.nasa.gov/mission_pages/apollo/apollo11.html.
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Contribution - Mars rovers are capable of explore the surface of the planet. Significance - rovers are capable of capturing footage on a planets surface. This is just the beginning of space exploration. Resource - https://www.nasa.gov/directorates/heo/scan/images/history/January2004.html.
