What is the fun in making robots if you can’t make your own circuit boards? This PCB etching tutorial describes a step-by-step process to MAKE your own circuit board. There are many tutorials already available on etching. Each method uses different materials and I have used hydrochloric acid and hydrogen peroxide. Did you read acid? […]
Create a fun demonstration of the ecological cycles that keep us alive.
Working directly with DNA isn’t only for the labs of CSI, agribusiness, and headline-grabbing research institutions. It’s basic chemistry, but it uses the molecules of life. You can even do it at home. This project explains how you can isolate and even “fingerprint” some of your own DNA.
Use an off-the-shelf home air purifier to
culture and grow mushrooms.
