How It's Made · SEASON 1

Bicycle Helmets, Aluminum, Automotive Brakes, Lithium-Ion Batteries

Episode 13 · 2001-03-31

★ 9.0
How It's Made poster
Season 1Episode 13★ 9.0/10
  • Documentary

Episode overview

Expanded foam and protective shells are combined into bicycle helmets, aluminum is extracted and processed into usable metal, friction components and hydraulic parts become automotive braking systems, and precisely layered materials are assembled into rechargeable lithium-ion batteries.

21 minutes

Season 1 episodes