for all those who are into elementary science Here are 9 great mechanical principles and inventions, which show the greatness of the human mind. Simple animation to explain complex principles: 1: Aircraft Radial Engine
2: Oval Regulation 3: Sewing Machines 4: Malta Cross movement - Second hand movement used to control the clock
5: Auto Change file mechanism
6: Auto Constant Velocity Universal Joint
7: Gun Ammunition loading system 8: Rotary Engine - an internal combustion engine, the heat rather than the piston movement into rotary movement 9: Boxter Engine - it's cylinders lined up side by side
BUT, leaving the best of ALL till last...
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