DIY Projects

IN14 Nixie clock kit

IN14 Nixie clock kit

Nixie tube clock kits ($150) – check out the PDF to get an idea of what you’re in for – “This kit uses a microcontroller and discrete logic chips to provide the logic for a 12 hour clock based on IN-14 nixie tubes. It has hours, minutes and seconds, with colon separators. The kit is […]

ClosetMaid Hacking

ClosetMaid Hacking

21st Century Decluttering sent in a ClosetMaid hack/mod – “Sometimes you just need to convert your clutter. I had several long pieces of ClosetMaid shelving the garage. They are easily found at garage sales when people remodel. Even new, these pieces are surprisingly inexpensive, as I believe that ClosetMaid is doing a ‘razor’ and ‘razor […]

The Hilsch Vortex tube…

The Hilsch Vortex tube…

Old Amateur Scientist article, might need to (re)make this to see if it really works – “With nothing more than a few pieces of plumbing and a source of compressed air, you can build a remarkably simple device for attaining moderately low temperatures. It separates high-energy molecules from those of low energy. George O. Smith, […]

Build your own telescope

Build your own telescope

The Exploratorium has a simple how to on making a telescope using reading glasses – “You’re about to make a telescope. One lens of the reading glasses will serve as the objective lens of the telescope–the lens that gathers light from stars or other objects. The magnifying glass will be the eyepiece. This telescope won’t […]