There are so many things wrong with this post by Richard Posner that I hardly know where to start. Consequently, I’ll point out this XKCD comic and go from there. Sigh. I’m very surprised that Mr. Posner seems to so completely misunderstand the web. Almost every web page in existence is copyrighted material, and every […]
Zinc Oxide-Based Thin-Film Transistor Experiments, Episode II is now available for your entertainment. Also, a static page with the current documents and some links to resources for making various types of semiconductors at home has been added. July 1st, 2009: “Zinc Oxide-Based Thin-Film Transistor Experiments, Episode II” has been updated to version 0.2.
It will take me a while to write up a complete description of the experiment, but suffice it to say that I’ve managed to cobble together a working astable multivibrator using two homemade zinc tin oxide thin-film devices as the active components in the circuit. The circuit worked for about 16 hours before the liquid […]