US president Donald Trump has once again referenced Japan’s so-called “bowling ball test” as an example of unfair trade practices. The unusual claim, first made in 2018, suggests that Japanese ...

In 2018, the president confused many of his own aides with claims about “the bowling ball test” and auto imports. In 2025, the odd story is back.

US President Donald Trump has once again raised the controversial "Bowling Ball Test" in his latest analysis of Japan's trade practices. On Easter Sunday, ...

Hooper has been studying the physics of bowling for several years, including an analysis of the 2017 Weber Cup, as well as ...

US President Donald Trump delivers a speech as he signs two executive orders that will lead to reciprocal tariffs against other countries that charge tariffs on US goods, in the Rose Garden of the ...

The model accounts for a variety factors, including the thin layer of oil applied to bowling lanes, the motion of the subtly asymmetric bowling ball, and a 'miss-room' to allow for human inaccuracies.