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Project Gutenberg’s Michael Hart: Builder of Public Libraries, Tinkerer

Project Gutenberg’s Michael Hart: Builder of Public Libraries, Tinkerer

Michael S. Hart, the founder of the Project Gutenberg, passed away this week at age 64 in Urbana, Illinois. He single-handedly created the first free e-books and then organized a worldwide effort to give books their first digital form — as ASCII text. His chief goal was to make sure e-books were accessible to anyone for free on any device. His work in creating a truly public library is a lasting legacy, and Hart should be considered among the founders of the Free and Open Source movement.

Continue Reading Dale Dougherty20
Farming Detroit

Farming Detroit

The 58 year-old public school teacher has a dozen chickens and ten beehives that belong to a neighborhood “honey co-op.” He has about an acre of fruit trees and veggies growing on ten vacant lots behind his house. The day I came by, his working 1960 Ford tractor was parked a few paces away from a huge pungent patch of basil. Weertz’s sister was about to go pick peaches. The slim urban farmer walked over to his tractor and looked at a gauge that reported more than 2,000 hours of use since Weertz bought it 20 years ago.

Continue Reading Jon Kalish8
Adaptive Gripping Mechanism

Adaptive Gripping Mechanism

Malte Ahlers from Germany lucked into some FESTO hardware, and used it to build a robotic gripper (site is in German): I was intrigued by the FESTO FinGripper mechanism which they use for their “Bionic Handling Assistant” so I asked the guys from FESTO if they would give me three samples of the FinGripper fingers […]

Continue Reading John Baichtal12
How-To: Homemade Plastics Recycler / Extruder

How-To: Homemade Plastics Recycler / Extruder

Interesting homemade tool from Instructables user Random_Canadian. The melt chamber consists of a length of 3/4″ iron pipe, the piston head is an off-the-shelf socket wrench, and the piston rod is a socket extension. A temperature controller, a couple of eBay cartridge heaters, a few tufts of fiberglass insulation, and some odds ‘n’ ends make for a heating system. And a brass hose barb serves as the extrusion nozzle

Continue Reading Sean Michael Ragan28