A Secret Tool for the U.S. Swim Team

Swimmer Ariana Kukors presses her fingers into a device built to measure the force she generates with her freestyle kick. (She doesn’t hold on to anything.) The red vertical line shows the amount of force at a point in time. Kukors’s kick is strong and consistent, which is why the wave signal generally has the same amplitude throughout the recording.

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From the latest smartphones to advances in quantum computing, the hardware behind today's digital age is rapidly changing.

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