road safety
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.
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.
15:30Scavenging rechargeable lithium cells from the roadside
263K views • 4 years ago
bigclivedotcom
Big Clive shows how to pick up discarded disposable vape devices from the roadside and extract the rechargeable lithium cells inside. He explains why these devices contain the same circuitry as rechargeable ones and how to reuse the cells.
1:25Hazard perception test 2026: official DVSA guide
2.7M views • 11 years ago
Driver and Vehicle Standards Agency
The UK DVSA's one-minute guide to the hazard perception part of the driving theory test, covering when to click and how to score well.
Topic match · Transit, cities & urban planning
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.