Coasters Find A Whole New Way To Roll

HOLD ON TIGHT. THE JOKER'S JINX, a new roller coaster at the Six Flags America theme park in Largo, Md., will make its debut this coming May. And its trick piece of technology, the linear induction motor (LIM), is helping redefine the way roller coasters roll. The new beasts are faster, smoother, and scarier than their wooden predecessors.

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