fire safe
8:35Table Saw Safety: My Accident and How to Avoid Your Own
80K views • 8 years ago
MrFixItDIY
A woodworker shows how his table saw accident happened, why it happened and how to avoid a similar one. He describes severe hand lacerations from a blade contact.
19:43U.S. NAVY BASIC MECHANISMS OF FIRE CONTROL COMPUTERS MECHANICAL COMPUTER INSTRUCTIONAL FILM 27794
225K views • 8 years ago
PeriscopeFilm
A 1953 US Navy training film on the basic mechanisms in fire control computers: shafts, gears, cams and differentials. It shows how these mechanical parts compute ship and target firing solutions.
7:49Crash Course - The SMIDSY
288K views • 17 years ago
lbtv
A motorcycle safety video on the SMIDSY (sorry mate, I didn't see you) accident, explaining the perception and optical illusion that makes drivers fail to see riders, and how riders can spot the signs and avoid it.
10:08Wim Hof breathing tutorial by Wim Hof
13.2M views • 8 years ago
Wim Hof
Wim Hof guides viewers step by step through his breathing method, with some explanation of the science he cites behind it. It stresses learning from the source and avoiding unsafe settings.
13:14How to Make/Build a Lifter or Ionocraft
851K views • 14 years ago
RimstarOrg
A step-by-step guide to building a lifter, a small triangular ionocraft made from balsa wood, aluminum foil and thin wire, powered by a high-voltage supply. It also shows high-voltage safety practices.