10: When do we retract our flaps?
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How do planes fly? How do planes fly? Backs up what Johnny was saying about how wings work (Explain That Stuff!) The physics of sailing (UNSW) You can sail into the wind, but not exactly upwind - The physics of sailing (Physics Buzz blog, Physics Central) The hipster PDA: Merlin Mann’s index card system (43 Folders) What is turbulence? From a fluid dynamics perspective (Wikipedia) Turbulence - everything you need to know (Patrick Smith’s Ask the Pilot) Air turbulence - how dangerous is it? (livescience) What is tacking in sailing? (Wikipedia) What is tacking in sailing? (School of Sailing) The spice routes were the ‘maritime silk road’ (UNESCO) The search for new sea routes for the spice trade really kicked off in the 1500s (Encyclopaedia Britannica) Trade routes followed the ‘trade winds’ (Wikipedia) Prevailing winds blow from a certain direction over a point on the Earth’s surface (Wikipedia) How do planes fly upside down? (Physics StackExchange) Flying upside down (Air & Space, Smithsonian) Wing flaps &…