MAKE Flickr photo pool member Arkku writes – This is a 6×9 rollfilm camera made by Contessa Nettel (one of the companies which merged to form Zeiss Ikon in 1926). The lens is a Carl Zeiss Jena Tessar 105mm f/4.5, in a dial-set Compur shutter. The camera has rack focusing, meaning that the entire lens […]
If you’re in the SF area, check out the Exploratorium’s “Iron Science Teacher” event (or watch the videos when they post’em) — Cheer on the competitors in this zany science cook-off, where teachers compete before a live audience at the Exploratorium for the revered title, “Iron Science Teacher.” Parodying the cult Japanese TV program, Iron […]
From Popular Science 1938 – a fantastic bicycle made from a bed frame! Link.
Sunday is April 1st, but here are some good pranks to get you started. Here’s one of my favorites… “Beeper bomb” sounds prank device – but of course you don’t need to buy one, you can build one yourself, just in time for this weekend! DIY “Brain Assailant” – Link. More: April Fool’s pranks for […]
Here’s another one of our kits, now documented on Instructables. The Game of Life Boards are a scalable platform for cellular automata visualizations. Each board contains 16 LEDs in a 4×4 grid, a microcontroller, and a communications and power distribution network. With the available firmware, they execute Conway’s Game of Life. Boards can act alone, […]
Nate True makes these lucid dreaming kits (or you can just make your own) – he sent me out one and I’ll strap it to my head to see what happens. The things I do for our fringe themed issue and posts this month… cre.ations.net – Creation: Face-mounted Lucid Dreaming Mask – Link.
I’m a big fan of open wireless access points. As long as my neighbors are respectful, I’ve got more downstream bandwidth than I really need most of the time. That said, I can understand the frustration with having a persistant freeloader, so I can really appreciate this hack which allows you to send a “knock […]
