demonstration
No strong matches for “demonstration”. Here are the closest videos.
2:18How to Properly Heat a Pan
492K views • 17 years ago
Rouxbe
A two-minute Rouxbe cooking-school demo of how to heat a pan properly before cooking. It uses the Leidenfrost effect, where water beads and skates across a hot pan, to show when a stainless steel pan is ready.
Topic match · Everyday physics & science demos
3:40Build a Do-It-Yourself Air Purifier for About $40
2.3M views • 15 years ago
Michigan Medicine
A University of Michigan Medicine demonstration of building a cheap DIY air purifier from a box fan and a HEPA or high-MERV filter using hardware-store parts. It explains why this helps against dust, smoke and viruses and ties it to local air quality readings.
3:20Professional SMT Soldering: Hand Soldering Techniques - Surface Mount
4.3M views • 16 years ago
John Gammell
A three-minute demonstration of professional hand-soldering techniques for multi-lead surface mount parts, to IPC class 3 criteria.