engineerguy

Bill Hammack explores the world of engineering


4:18

Upcoming Videos

engineerguy

Shared 3 years ago
82K views

8:03

How a Wind Up Music Box Works

engineerguy

Shared 4 years ago
1.1M views

9:37

Plastic Injection Molding

engineerguy

Shared 4 years ago
2.5M views

8:50

How a Film Projector Works

engineerguy

Shared 4 years ago
703K views