Ever wonder how they make basketballs or other bouncy rubber balls? It’s not as simple as just blowing up a rubber balloon. Science Channel’s How It’s Made visited a ball factory to walk us through the fascinating process, which includes making an inflatable bladder, then wrapping it in nylon thread and a segmented rubber skin.
Everyday car tires are made mostly by machine, but the high-end tires used for racing are made by hand. In this clip from Street FX Motorsport TV, they take us inside Michelin Motorsport’s HQ in France for a look at the tire-making process, building up layer by layer of rubber, textiles, steel, and adhesive on spinning drums.