How a machine launches tennis balls at 95MPH with perfect accuracy

For tennis ball machines to shoot balls with perfect accuracy and at nearly 100 miles per hour, it takes a series of carefully calibrated parts working together. Here’s what it looks like inside.

We got this footage from “Machines: How They Work,” which airs new episodes on Thursdays at 10 p.m. on Science Channel.

Story by Jacob Shamsian, editing by Adam Banicki.

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