How It's Made S11E1 — Binoculars, Sparklers, Rubber Boots, Circular Saw Blades
7.3
How It's Made•Season 11•Episode 1

Binoculars, Sparklers, Rubber Boots, Circular Saw Blades

7.3/10 · 24 votesSep 10, 200821 min

Ranked #9 of 13 in Season 11•−0.2 vs season avg

Discussion

Precision lenses and prisms are aligned inside binoculars, metal wire is coated with pyrotechnic material to make sparklers, liquid rubber is molded and vulcanized into waterproof boots, and hardened steel is cut and sharpened into circular saw blades.