Remember the Trim Slice, that Tegra 2-powered nettop that surfaced back in January? Well, it's finally on sale, but the company would prefer that casual consumers hold off on buying. To recap, the chassis, just six tenths of an inch thick, is home to a dual-core ARM Cortex A9 CPU, GeForce ULP chip, SATA SSD, 1GB of RAM, 802.11n WiFI, Bluetooth, and a cornucopia of I/O ports. It starts at $199 for a model that lacks internal WiFi and storage (you can add these via dongles), and graduates to models with 4GB of microSD storage and a WiFi dongle ($219) and a "Pro" version with a 32GB SSD and wireless and Bluetooth dongles ($319). Whichever iteration you choose, though, you'll be greeted by a warning that the software remains a work in progress, so you'll probably want to stay away for now. Unless, of course, you're a developer -- or you really know how to have a good time.
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
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