Constant acceleration motion can be represented in motion graphs which represent velocity, acceleration, and distance as functions of time. These graphs are useful for calculating information about motion using the slopes of the curves in each plot.
Rubik's Cube is a 3-D combination puzzle invented in 1974 by Hungarian sculptor and professor of architecture ErnÅ Rubik.
Leo Gerstenzang (June 3, 1892 â 1 October, 1973) was Polish born American who in 1923 invented the cotton swab or Q-Tips. His product, which he named Baby Gays, went on to become one of the most widely-sold brand names, where Q as in Q-tip stood for quality.