“There’s a scientific phenomenon to describe something that happens when an object is in motion. You think you know exactly what path it will take and where it will end up. Then suddenly, for no reason you can see . . . the arc changes. It goes somewhere you would never have expected.” Magnus snapped his fingers, and the coin zigzagged in the air and returned to them as Simon stared, feeling like he was seeing magic for the first time. He dropped the coin in Simon’s hand and smiled, a blazing rebel’s smile, his eyes as gold as newly discovered treasure. “It’s called the Magnus effect,” he
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