The first ball bearings we’ve found come from two submerged Roman ships, big party boats circa 50 AD. On the decks, there were rotating platforms about four feet in diameter. Between the platform and ...

That’s how we feel when watching tiny ball bearings assemble themselves into alien-like structures under the influence of high voltage in the latest Plasma Channel video from [Jay Bowles].

Roller-type or ball bearings packed in grease inside all four wheel hubs allow wheels to spin freely without generating excessive heat while supporting the weight of the vehicle. In addition ...

Ip developed an interest in slingshots and guns that shot ball bearings. He then decided to buy these items from e-commerce platform Taobao. Police officers who raided Ip’s home in May 2023 ...