DIY Projects

Nixie tubes + concrete block = cool clock

Nixie tubes + concrete block = cool clock

Check out Norwegian maker Hans Jørgen Grimstad’s concrete & nixie clock. (The video shows some sort of test, not the regular clock operation.) Hans’s website is in Norwegian, and Google Translate doesn’t savvy Norwegian very well, so its operation is somewhat mysterious. However, I do see that there’s an XBee involved. Hans, would you care […]

How-To: Digital delay pedal

How-To: Digital delay pedal

Randy Sarafan writes in: Building guitar pedals is a time-consuming, often frustrating, and expensive process. If you think you will save time and money by making your own digital delay pedal, I highly advise you to read R.G. Keen’s page on the economics of pedal building. However, if like me, you are obsessive, enjoy messing […]

Tensegrity sculpture with 3D-printed beams

Tensegrity sculpture with 3D-printed beams

Ryan Meuth of Phoenix, AZ, wrote in to share his tensegrity structure. This weekend I built a tensegrity structure as a demonstration of principles of balancing tension and compression in structures for one of the courses I’m teaching. I’m fascinated by the aesthetic of these structures – all triangles and edges, but somehow magical as […]