Year: 2010

How-To: Personal Applause Sign

How-To: Personal Applause Sign

Randy Sarafan writes: For the longest time, people have been neglecting to applaud my myriad accomplishments. I could not abide by this and henceforth set out to resolve this issue. The solution wasn’t immediately obvious, but after mulling it over for a while, it suddenly hit me. People have been culturally conditioned to clap for […]

Open source VESA-compliant CNC iPad wall mount

North Carolinian Jonathan Danforth designed this laminated iPad wall mount, which he calls The Walet Mount, for CNC manufacture, and made the DXF files freely available on Thingiverse so you can make your own. The back features keyhole slots for direct-to-wall mounting and VESA-standard holes for mounting to any compliant monitor mount (such as an articulated arm) and the side features a contoured through-hole for the headphone cord. Jonathan will sell you a complete unit manufactured in Plyboo bamboo plywood for $65. [Thanks, Angus!]

Visual structure of a zen rock garden

Visual structure of a zen rock garden

Just ran across this fascinating little paper published in Nature back in 2002 by Gert J. Van Tonder, Michael J. Lyons, and Yoshimichi Ejima. In it, the authors apply a simple shape analysis to the layout of the 15 boulders in Japan’s most famous karesansui (or “Zen garden,” as they are often called in the West) at the Ryōan-ji temple in Kyoto. The technique they use is called “medial axis transformation,” which, by my understanding, basically means that they took the Voronoi diagram of the boulders in the garden as viewed from above. The paper’s authors explain their method with an elegant analogy: