Planets in the Solar System orbit around the Sun, with planets furthest away from the Sun taking many years to complete one orbit.
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Jeff Anning went from structural landscaper to electric skateboard designer after he pulled apart his first board.
Pendulums of different lengths swing differently to create some fascinating patterns.
Puzzles can be solved using forces of physics.
A sewerage system contains many obstacles and factors that must be taken into account when collecting and treating wastewater or effluent.
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