If that all sounds too complicated, don’t sweat. What I’m going to show in this tutorial is simply how to build a simple piece of apparatus that allows you to collect pure gas samples over water. You can collect carbon dioxide, oxygen, hydrogen–anything you can generate and direct down a hose.
Somewhere at the junction of modern open-source hardware and early 80’s Russia lives a beautiful new DIY kit from the Maker Shed called the Ice Tube Clock.
Tim Saylor recently wrote in to me about the Gingery-style charcoal foundry he built for Chicago’s hackerspace Pumping Station: One. There’s a write-up here and a good Flickr set showing construction and use of the furnace to melt aluminum here, including some really pretty shots of the fire and sparks at night. [Thanks, Tim!]
Impress your friends and coworkers with these easy-to-make edge-lit holiday cards by Evil Mad Scientists Laboratories! This time around they used PETG polyester, which is easier to cut than acrylic. More: How-To: Make “edge-lit” holiday cards
An engineer’s solution to the Jack-‘o-lantern problem if ever I saw one. [via There, I Fixed It]
A children’s toy inspires a cheap, easy production method for high-tech diagnostic chips (Michelle Khine tR35 winner)… Microfluidic chips cost more than $100,000 – Racking her brain for a quick-and-dirty way to make microfluidic devices, Khine remembered her favorite childhood toy: Shrinky Dinks, large sheets of thin plastic that can be colored with paint or […]
MirlitronOne explains how to turn a Velleman MK107 LED Running Light kit into a simple 8-step sequencer for use with analog synthesizers. A handy kit hack, but it’s also not too much work to build one from scratch. Related: Sequence it!!
