3D mineral printer

The last few days many people have been talking about the USC’s contour printer. It’s a device that prints concrete outlines with the hopes of eventually printing entire houses. Caterpillar has decided to back the initiative.

It reminded us of a project we came across at Maker Faire. [Leif Ames], [Matthew Bowman], [Marides Athanasiadis], and [Terrell Edwards] built a 3D Mineral Printer as their senior engineering design project at UC Santa Cruz. The printer works by first laying down a layer of dry concrete powder. It then selectively wets the powder where it wants a solid form. The reaction doesn’t require air to dry, so the next layer can be applied immediately. The printer only creates contours and the team imagines this being used to create temporary casting molds. The build envelop is nearly a cubic meter. When we talked to them, they were experimenting with many different types of material mixes. A video of the first test is after the break. [Read more...]

Toaster computer

[Gordon Johnson] recently completed part 1 of his toaster computer project. He used a standard four slot toaster as the enclosure and cut holes for access to the ports and a wireless antenna. While the specifications of the components used are not mentioned, the build is well documented on his site, complete with lots of pictures and a video. While he used a traditional fan based cooling method for part 1 of the build, he plans on using a special cooling method for part 2 that uses aluminum and mineral oil to create a thermoelectric cooling effect.

Videos of the Xbox360 Chatpad on a PSP

[10rdonic0] sent us this video of the Xbox360 Chatpad being used with some Sony PSPs. [Jean] over at ps2dev.org has been developing custom firmware for the Chatpad wich allows it to work with the PSP.  You can see that he’s able to type pretty quickly on the On Screen Keyboard app and maneuver the internet decently.  From what he says, not all apps are functional yet, but it’s coming.

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