The transistor has changed the world since 1947, and the old point contact transistor isn't the scientific darling it's always been. It's still vital to the modern world though, and in this video you' ...
Plexiglass is great for all sorts of projects, but it is notoriously hard to work with at home. If you've got a plexiglass project in mind though and need an easy, cheap way to bend it, watch this vid ...
The phase-shift oscillator is one of the most common electronic parts, used in all sorts of mostly noise-making devices. If you like electrical engineering and new a new project, watch this video to l ...
If you are the proud owner of a laser cutter, you had better be careful with your expensive new toy. Some materials can damage the optics in your laser or produce poisonous gas when you cut them, so y ...
Do you like the analog look of old handheld video games like Mr. Game and Watch or clock with 7 segment displays? It's pretty easy to simulate them nowadays by making an electroluminescent display on ...
For most synth players the goal is to acquire legendary pieces of 1980's gear with great amounts of money or luck. Why bother when you can make your own direct digital synthesizer (DDS) at home? Watch ...
Triboluminescence is the quality that makes a substance emit light when you crush, smash, hit, or otherwise break it's molecular bonds. If you want some triboluminescent (smash-glow) crystals, watch t ...
Now this is a DIY microphone. It turns out all you need to make a quasi-functional mic is a pair of razor blades, a pencil, some tupperware, and clips to run the signal from the razor blades to a resi ...
Electrical engineering is a math-heavy business, and you're certainly not alone if you're studying it and having trouble with the math. Watch this video for a very cogent explanation of a simplified m ...
Electical discharge machining is a techinque in which electricity is used to machine (cut, grind, etc.) metal. It usually invovles sophisticated tools and equipment, but not here! Watch this video for ...