Applied Science - Channel
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Liquid level sensor and controller (auto top-off for aquarium)
I built a liquid level controller that senses the level of water in my aquarium and powers a wate... -
Tutorial: Electrical impedance made easy - Part 1
This is the first video of a short series in which I discuss the basics of electrical impedance f... -
DIY Scanning Electron Microscope - Overview
Today, I finally produced an image with my DIY scanning electron microscope. I've spent the last... -
How a breathalyzer works (alcohol sensor)
I teardown a commercial, handheld breathalyzer and discuss how it works, then test a standalone e... -
Intro to Fourier Optics and the 4F correlator
It seems strange that a single piece of glass can compute the Fourier transform of an image, but ... -
Piezoelectric motor
Quick demonstration of a piezoelectric motor. www.pcbmotor.com (not sponsored or solicited -- j... -
Making YBCO superconductor
How to make and test your own pieces of YBCO superconductor. Best how-to resources for YBCO: ... -
Tutorial: How to design a transistor circuit that controls low-power devices
I describe how to design a simple transistor circuit that will allow microcontrollers or other sm... -
Argon beer, an alternative to the usual CO2 carbonation
Most beer is carbonated with 100% CO2. Some beers, notably Guinness and some other porter/stouts... -
Tongue mouse: Cursor control with your mouth!
I wanted to test the idea of using the tongue to control a computer. The most obvious way would b... -
Viewing an active electronic circuit with a scanning electron microscope
I used my DIY scanning electron microscope to view a 555 timer circuit while it was powered. The ... -
Glass engineering - designing and making photochromic glass
How to make small batches of specialty glass with minimal equipment. Good overview glass enginee...
