DIYer builds his own CNC mill, fabricates a Weighted Companion Cube to show off

So you've built your own homebrew CNC mill and want to test out some recent modifications? That's a question few ever have to ask themselves, but DIYer Jamie Nasiatka recently did, and came up with the bright idea of making his very own Weighted Companion Cube. As you can see above, things turned up pretty well, and you can check out the complete build process at the source link below -- yes, it lights up, and changes colors. Let's just hope no one tries to throw this cube through a Portal t-shirt.

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Scientist cooks up adjustable strength metals

As you may know, crafting a katana is a delicate process that involves carefully constructing a razor-sharp high-carbon edge around a soft shock-absorbent core. One day though, smiths and forging fires could be replaced by electrode-wielding mad-scientists, with the technology to selectively harden and soften metal at will. At least that's what we envisioned when we read about Jörg Weißmüller's breakthrough research in the field of nanomaterials. The German scientist discovered that by placing precious metals in acid he could create tiny ducts through corrosion. Once those channels are flooded with a conductive liquid, electrical currents can be used to harden the material and, if you change your mind about the brittle results, the effect can easily be reversed to make it soft again. The tech could eventually lead to self-healing vehicle armor or scratch-resistant cellphones -- but, really, we just want to zap our way to a high-quality samurai sword. Physorg

Compal's 'Ultra Mobile' Ultrabook eyes-on

Intel's already teased Compal's "Ultra Mobile" Ultrabook from afar, but when this Ivy Bridge laptop popped up on the show floor after the Computex keynote, we decided to give it a closer look. While this prototype isn't quite in the same league as ASUS' gorgeous UX21, do bear in mind that we're still looking at a relatively slim package for a 14- to 15-inch Core i7 rig. Also visible around the machine are a couple of USB 3.0 ports, an HDMI-out port, a LAN socket, and an SD card reader. Until we hear more about this Ultra Mobile, enjoy our eyes-on photos below. Compal's 'Ultra Mobile' Ultrabook eyes-on omment

Commodore USA puts the new C64 up for pre-sales, unveils far-less-retrotastic VIC-Slim

Desktops Commodore USA puts the new C64 up for pre-sales, unveils far-less-retrotastic VIC-Slim By Sean Hollister posted Apr 6th 2011 8:43PM Now that Commodore USA has sufficiently piqued your curiosity with a revamped Commodore 64 prototype, it's ready to capitalize on the idea. Quite literally, we might add. $595 buys you the basic basic model with an 1.8GHz dual-core Intel Atom D525 chip, NVIDIA ION 2 graphics, 2GB of RAM and a 160GB hard drive -- which it promises to deliver by "early June" -- with hundred-dollar increments adding premium features like an additional 2GB of memory, a Blu-Ray drive, up to 1TB of storage, 802.11 b/g/n WiFi and Bluetooth. However, if you're simply looking for a compact keyboard computer (rather than reliving 80's nostalgia) there's another option on tap -- a likely rebadged thin wedge of a machine that Commodore's...

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