Wonderful Engineering

What How Giant Rods Of Melted Metal Are Converted Into Perfect Balls Of Steel

(Source: YouTube)

Balls of steel are used in a number of machines. They are used in rotating drums as a grinding and polishing material. Such small balls were also used in computer mouses back in the day before laser mouses were invented. But how are these perfect balls made?

Take a look at the satisfying video of the machine churning out perfectly spherical balls of steel.

Pretty cool, isn’t it?