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This timeline shows key events from the U.S. Apollo human spaceflight program to take humans to the Moon. Produced by the National Air and Space Museum in celebration of the 40th anniversary of the Apollo 11 moon landing.
A wheel is a device that allows heavy objects to be moved easily through rotating on an axle through its center, facilitating movement or transportation while supporting a load (mass), or performing labor in machines. Common examples found in transport applications. A wheel, together with an axle, overcomes friction by facilitating motion by rolling. In order for wheels to rotate, a moment needs to be applied to the wheel about its axis, either by way of gravity, or by application of another external force. More generally the term is also used for other circular objects that rotate or turn, such as a ship's wheel, steering wheel and flywheel.
Steven Paul Jobs (born February 24, 1955) is an American business magnate and inventor. He is the co-founder and chief executive officer of Apple Inc. Jobs also previously served as chief executive of Pixar Animation Studios; he became a member of the board of The Walt Disney Company in 2006, following the acquisition of Pixar by Disney. He was credited in the 1995 movie Toy Story as an executive producer.
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