Sudoku puzzle solver using awk
The application I chose to use as an example is “yet another sudoku puzzle solver”. This program uses a very simple depth-first recursive backtracking algorithm with up-front and ongoing elimination of invalid entries.
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The latest DIY ideas, techniques and tools for the kitchen, garage and backyard from food to furniture to fun & games for your family.
Royal Hawaiian Mai Tai
This afternoon I was organizing my vacation photos from last year, and when I came across this one, I stopped sorting and started drooling. This is the Royal Hawaiian Mai Tai– the quintessential tropical cocktail. This one was served to me by Cui, a bartender at the Mai Tai Bar, Waikiki’s most spectacular beach front […]
Sean Kenney, professional Lego builder
Kenney was featured in a Japanese public television show, New York Wave. The crew followed me for several months and created this full-length episode that shows how I work and what I do. Watch as I create a giant LEGO model of Times Square, play with kids at events, and take on my biggest project […]
Cardboard chair process video
This process animation makes it look easy. There should be a zillion different variations on the design of a chair like this. It looks like a good way to work with the concepts of compression, tension, torsion and shear with students as they design and build their own furniture. Have you used cardboard furniture design/build projects in a classroom setting? Let us know in the comments!
The Frustromantic Box: A reverse geocache puzzle
Mikal Hart’s original “reverse geocache” puzzle ended up making a big splash when we first posted about it last October. Now Russ Weeks has produced his own version using an Arduino, an HD44780 display, a servo, and an EM406 GPS.
How-To: Berry Sweet Grapewood Centerpiece
HostessWithTheMostess is one of my favorite websites for party inspirations. This “Berry Sweet” centerpiece made from flowers and gems mounted to a grapewood branch is colorful, modern, and interesting. Just like you!
LackRack: Ikea server racks for living room datacenters
Need a datacenter rack but don’t have one? Never fear, someone figured out that the Ikea “Lack” side tables work perfectly with 19″ hardware like Ethernet switches. The LackRack is the ultimate, low-cost, high shinyness solution for your modular datacenter-in-the-living-room. Featuring the LACK (side table) from Ikea, the LackRack is an easy-to-implement, exact-fit datacenter building […]