Gears are one of the most incredible applications of simple machines that I can think of. Simple machines are basic devices that rely on mechanical advantage to multiply force to do work. The classic examples of simple machines include the lever, wheel and axle, pulley, incline plane, wedge, and screw – each of which was… Continue reading Cheap UK Cartier Rotonde De Cartier Masse Mystérieuse Super Clone Watches: Its Ingenious Gearing Is Simply Magical