“The monopiles made by SiF Netherlands are enormous,” says Kaimes, referring to the steel foundation tubes that are piled into the seabed to support the weight of the wind turbine and withstand the forces exerted by wind, waves, and currents. “They are eight metres in diameter, and dep...
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Chuck a stone off the side of a mountain and it will plummet as well. Sure, steel ships can float and even very heavy airplanes can fly, but to achieve flight, you have to exploit the four basic aerodynamic forces: lift, weight, thrust and drag. You can think of them as four arms ...
A: There are always two (or more) of us in the flight deck. Both of us can fly alone if needed. Finnair pilots have to earn their licenses in a strict school that monitors and keeps records of their training. Twice every year, two days at a time, Finnair pilots go to simula...
This diagram depicts some of the forces involved in helicopter flight. ©HowStuffWorks.com Imagine that we would like to create a machine that can simply fly straight upward. Let's not even worry about getting back down for the moment — up is all that matters. If you are going to provi...
And if they are even flying in the right direction. Franck had ceded control of the plane to the younger Harrison under the mistaken belief that he may have had some flight simulator experience because he seemed s...
This internal pressure pushing out on the structure of the craft allows the structure to endure the large forces acting on it during reentry. The cockpit is outfitted with dual seals, and the whole structure is surrounded by a second space-worthy shell. Each of SpaceShipOne's many windows ...
How many circumpolar constellations are there? How many stars are there in the constellation Cassiopeia? How many moons does Jupiter have? How many satellites does the planet Jupiter have? How many people work at Marshall Space Flight Center?
根据第四段的While there are some things in life that are clearly out of our control,…,how we act and respond to other people's behavior is not among them. Our responses to others are well within our control.可知,虽然生活中有一些事情是我们无法控制的,我们自己的行为完全在我们的控制之中。
There are many explanations, but here's one way to think about it: Imagine yourself as a particle in the water, suddenly pulled toward the suction that the drain creates. At first, you'd find yourself accelerating toward the drain. Then, quite literally, there's a twist. Because of your...