Walk `n' roll. (Physical News).Tired of your skateboard? Over your rollerblades? Check out Heelys, the radical new sneakers sneakers Noun, pl US, Canad, Austral & NZ canvas shoes with rubber soles sneakers npl (US) → zapatos mpl de lona; zapatillas fpl with a stealth wheel in each heel. "You can walk, you can roll, and with a simple transition of weight onto your heels, you can even dance," says Heelys inventor Roger Adams Roger Adams (January 2, 1889 – July 6, 1971) was an American organic chemist. He is best-known for the eponymous Adams' catalyst, but also greatly influenced graduate education in America, taught over 250 Ph.D. students and postgraduate students, and served the U.S. . But to bust a move--not a limb--pay heed to the laws of physics (and don't forget to sport protective gear, like a helmet and knee pads). One physics principle that can trip you up is the law of inertia law of inertia See under Newton's laws of motion. . It states that a moving object--your body, for example--will keep moving until some external object or force stops it. Wheel into a nasty sidewalk crack, and your sneakers will stop as your body keeps sailing. With that in mind, Heelys pro Rob Santos--who walks `n' rolls around New York City New York City: see New York, city. New York City City (pop., 2000: 8,008,278), southeastern New York, at the mouth of the Hudson River. The largest city in the U.S. every day--advises wearers to obey one key rule: "Never roll faster than you can run."--K.M. |
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