We've discussed the parts of an airplane necessary for flight, but just as a bird eventually needs to stretch its legs, so too does an airplane require some form of landing gear. The gear in turn requires anundercarriage, or a structure that supports the plane's weight on the ground. Th...
“This means the flyers can assemble into an orderly queue of regular spacing automatically and with no extra effort, since the physics does all the work. “For larger groups, however, these flow interactions cause later members to be jostled around and thrown out of position, typically causing...
For more information on the physics of flight, read How Airplanes Work. A skydiver exiting an aircraft will instantly experience the pull of gravity -- the force of weight. If he or she is wearing a wingsuit, then the suit's airfoil will provide lift. However, the airfoil isn't large ...
How does it work? 它运转得怎么样? 牛津词典 Suppose we meet somewhere for a drink? I'll pay. How's that? 我们找个地方一起喝一杯吧?我请客。怎么样? 柯林斯高阶英语词典 'The fuel gauge is broken.' — 'Broken? How do you mean?' “燃油表坏了。”——“坏了?你说清楚点?” 柯林斯高...
How does down insulation work? Down is the fluffy next-to-skin coating found on the underside of birds. It is one of the most effective methods of providing insulation in clothing. Down is not the same as feathers. Feathers form the stiff outer plumage of a bird and aid in flight and ...
Artwork: How pulleys work#1: With one wheel, a pulley simply reverses the direction of the force you apply. It doesn't alter the force in any other way. Two wheels Now if you add more wheels, and loop the rope around them, you can reduce the effort you need to lift the weight. Su...
this does not explain how asymmetric airfoils with pronounced positive camber at zero angle of attack, as shown in the figure below, create lift. In fact, such profiles were successfully used on early aircraft due to their resemblance to bird wings. Again, this theory does not explain all the...
Climate change does not impact all people and all parts of the world in the same way. While floods ravage some areas, deserts are spreading in others. Desertification and depleted resources, including shortages of water and fertile land, are long-term consequences of climate change. But one of...
How Flying Cars Will Work How Air Taxis Will Work How the Airbus A380 Works How Hot Air Balloons Work How does a speedometer in an airplane work? More Great Links United States Hang Gliding Association (USHGA) Hang Gliding and Hang Gliders: So You Want To Really Fly? USHGA: Hang Glid...
Nij: Hello, my name is Nij and today on Imagine This…. we're bird watching! Bird calls continue under music Kid 1: There's one! Kid 2: Over there Kid 1: The wings are yellow and red and black Nij: Birds come in so many shapes and sizes ...