This was one of our predictions for 2012, not the rivers of blood, but drones being used by “citizen journalists” more and more – I think this is a good example, even if accidental. My friend Johngineer posted up a great list of “The future of Drones”.
Veteran Thingiverse user Tony Buser has printed a model (intended to be an approximation of the fractal Hilbert curve) using polyvinyl alcohol (PVA) as a support material. Once everything is printed and cooled, the PVA is dissolved away in a glass of water, leaving only the polylactic acid (PLA) model. This technique, when perfected, should allow RepRap-style FFF printers to produce objects with overhanging parts that are currently very difficult, or impossible, for them to print. Tony used two of MakerBot’s Mk7 extruders mounted on a Thing-o-Matic.
Publicly accessible materials libraries are usually associated with universities, and there is at least one major subscription-based commercial materials library with branches in eight major cities. I’ve been poking around trying to find a geographic listing of materials libraries with no success, so I thought I’d throw this one out to the readers: Is there a materials library near you? If so, please share in the comments!
Need a hand? Build your own with the Telerobotic Gripper Kit from the Maker Shed! This kit includes everything you need to make the Teleclaw featured in MAKE: Volume 27, right down to the batteries. Assemble the kit and attach the Teleclaw to your robot, rover, or anywhere else you could use a grip. The pre-programmed Picaxe microcontroller interprets commands from the IR remote to make the gripper open and close. Have a look at the Make: Project build for more information and directions.
Andrew and his brother built this great ping-pong ball launcher out of salvaged and repurposed parts. I especially like the 13-ball hopper made from two paper towel tubes taped together, and the clever K’Nex-controlled release mechanism. The launcher is controlled with an Arduino connected to a computer and activated via a remote desktop app from a phone or iPod Touch. See this video for an explanation on how it works.
I like these hand-forged oyster knives from Kirk Davis and Michael Waller of Carolina Shuckers enough to actually consider eating a raw oyster, so long as I got to use one to open it, first. Reminds me of the work of Tai Goo. [via Dude Craft]
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