ian costew - machine builder | stem heroes Published 8 years ago • 3.9K plays • Length 4:38 Download video MP4 Download video MP3 Similar videos 3:03 caleb kinney machine builder 5:16 meghann lloyd - account manager at te connectivity | stem heroes 6:46 microcosm - hero of alexandria steam engine 4:44 hero engine - prof simon 9:15 meet the machinists who keep the new york times running