Fresh hacks every day
[Lou] wrote in to share the fifty-dollar projection screen he built in his home. We've seen several of these projects lately. Unlike the one used at a lake cabin, or the other that fills an awkward alcove, this version doesn't use fabric for the screen. He actually painted it right on the wall. The key to achieving a great end product is to make sure your wall is flat. [Lou's] instructional … [Read more...]
This method of building your own projection screen is new to us. [Sean Michael Ragan] ran across some sand blasting material made up of minuscule glass beads at Harbor Freight and inspiration struck. He purchased a fifty-pound bag and set out to see if it could be used with regular latex paint to create a projection screen. The answer is an absolute yes, but results are dependent on how you … [Read more...]
The image you see above is the result of a simple analog projection clock. It shows the time on the ceiling. We have one in our bedroom but it's a red digital display which we don't think is nearly as fun as this clever hack. Grab a cheap analog clock, a mirror, and a white LED and you can build your own. The mirror is going to reflect light from the LED onto a ceiling or other surface. It … [Read more...]
In an effort to determine the brain of animals during movement, scientists have built this contraption. It is a VR pod for a mouse. While we're pretty sure/hopeful that none of you need a mouse VR system, we think the rig is interesting enough to stand on its own. It appears to be a convex mirror setup, projected in a dome. The controller is interesting in that it looks like a giant trackball … [Read more...]
This bit of nostalgia really caught our attention. A german hacker or "inventor" as we were called back then, came up with this interesting concept. He would project an image on to the moving blades of an Autogiro, relying on the POV effect to make it appear complete. While this is not the same system of utilizing POV that we currently use, it relies on the same principles. It looks like he's … [Read more...]
[Tom Gerhardt] has made this very interesting mud interface for a computer. Follow the link to see a video of it in action. It appears as though he's using a laser grid of some kind to establish elevation. We might be way off on that though, there aren't any details on the construction. He does mention that it is an open source hardware and software project, so maybe the details are available on … [Read more...]
For those of you who don't recall, the Wiremap is a 3d volumetric display built from hundreds of tiny strands. An image is projected onto the strands to achieve 3d effects. [phedhex] has posted an in depth instructable on how to build a wiremap. He covers the construction with lots of good tips as well as giving links to the software for Windows, Mac, and Linux. Check out the video after te break … [Read more...]
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