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Ping pong balls will not be simply hatched from bigger, ping pong ball-shaped eggs. They’re constructed at Double Happiness in Shanghai, China. The Worldwide Desk Tennis Federation determined to shed some gentle on the entire scenario on this video.
Earlier than getting formed, all supplies and weighed to verify they’re the identical. Balls are reduce by machine, with sizzling water dripping onto them to keep away from cracks. Ball halves are then transferred by hand into gluing stations, with solvent unfold evenly on every half.
Double Happiness will not be Apple when it comes to secrecy, however the firm does hold a number of issues to itself. It would not let the ITTF take a look at how they get the balls completely spherical. The change in materials has allowed for the corporate to radically decrease the period of time wanted for the balls to settle, chopping it down from 60 days to 15.
Competitors balls should endure hand-testing. This requires a detailed examination of the ball’s floor, their veer (measuring how they deviate from a pre-ordained path in a managed fall their hardness and weight, and maybe most crucially, their roundness.
All that to construct perfect cannon fodder.
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