Portable Speakerphone I have one of those legendary Jawbone BlueTooth headsets. It works great, but I hate having to deal with it:... 

QR code in the Wild That funny looking symbol on my new business card is a QR code. Lately these little beasties have been cropping... 

"Braindoggle" Did you ever play the electronic game “Lights Out?” I’ve built a seven-color version of this... 

Nixie tubes Back in 1954, before we had LED’s and digital readouts, Nixie Tubes were the only way to display digital data. Today,...