Robert has an excellent series of articles on glass blowing for scientific vacuum devices such as glow tubes, filament lamps and thermionic devices. Thanks K-milo! Link. Related: Scientific glass blowing @ East Carolina University – Link.
Wow, here’s a homemade QuadriFilar Helix antenna for APT satellite reception. What can you do with this? Pull down weather images as satellites orbit the earth and transmit their images – here’s how it was made and some images snagged from NOAA18, NOAA17, NOAA15 and NOAA12 – Link. Related: Design and construction of quadrifilar helicoidal […]
Riad makes some of the coolest clocks, ever – the single-digit Nixie clock is awesome and there are a couple others too. Code and schematics included – “A while ago I found a Burroughs B-5853 Nixie tube kicking around in the lab and decided that I should put it to good use. Since I only […]
Jeremy writes – “I’ll be attending the Bonnaroo music festival this year, and while browsing online I managed to stumble across this. It’s a great way to claim your area and find your tent in the huge crowd of tents. Also great for playing Pirates in your front lawn :)” – Link. That lawn is […]
Mark3 writes with own version of the DIY Xbox remote – “I did something similar with a PIC, though not as feature full as the one on the linked site. Mine supports powerup using the xbox dvd remote and shutdown/reboot by holding a predefined button for 5 seconds. I was initially planning on selling them, […]
Hevnsnt writes – “In part one of the “Hacking BetaBrite LED Signs” we exposed a gaping hole of the BetaBrite signs, using a common remote to change the text as we saw fit. In part two we will take a much more hardware hacking approach and construct a cable that enables us to communicate with […]
Here’s how to make a solar cooker from a parabolic mirror – Link & translated version.
