Note the discrete BJT transistor T-shirt. Note the haunted, obsessed look in his eyes. This fellow is building a computer out of discrete transistors. He clearly has The Knack.
http://hackaday.com/2014/11/22/a-4-bit-computer-from-discrete-transistors/
Our book: “SolderSmoke — Global Adventures in Wireless Electronics” http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20

