Applied Science - Channels Videos

I built a small rocket engine for demonstration purposes. The engine is built from a 2" diameter ...

I show how to weld aluminum cans together with a cheap import TIG welder. I am not a professiona...

I thought it would be cool to have a colored soap bubble that responded to changes in pH. I conc...

I cut open a cathode ray tube (picture tube, or CRT) and explain the internal parts and their fun...

One of my ongoing projects is to develop a low-cost thermal imaging camera. In this video, I tak...

A liquid lens works by changing the shape of a water drop by creating an electrostatic field that...

I forced an RCA 811A tube to produce some X-rays by operating the tube in cold-cathode mode at ab...

Two unusual materials with unusual names. I show how to make "dry" water and propane gas hydrate...

How to electropolish aluminum

I show a basic electropolishing technique that requires no special equipment and has proven to wo...

I bought a -100*C refrigerated cold trap from a surplus sale, which was not operational. In this...

I developed a new chemical process to make double-sided PCBs with a laser cutter, and some common...

A practical introduction to understanding magnetic devices such as transformers and motors. This...