Tennis, Anyone? First, Check Your Racquet’s Strings With Your iPhone [New App]
Seems the iPhone’s become a superb diagnostic tool through sound analysis — not only can it evaluate watermelon ripeness, but now it can also be used to measure the tension of tennis or squash racquet strings with the racquetTune app. The $1 app sports a slick, clean interface that displays a string’s tension after a few [...]
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