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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

It takes a lot of energy for computing systems or data centers to patch up critical errors, but what if we devoted less power to fixing less urgent issues? That's the basic idea behind EnerJ -- a new power-saving system that could cut a chip's energy consumption by 90 percent, simply by prioritizing critical problems over those that are less threatening. Unlike, say, liquid cooling techniques, the University of Washington's framework focuses exclusively on the programming side of the equation and revolves around two interlocking pieces of code: one that handles crucial, precision-based tasks (e.g., password encryption), and another designed to deal with processes that can continue to function, even when facing small errors. The system's software would separate the two codes, meaning that energy from one section of the chip would never be used to fix a major problem that the other should address, while allowing engineers to more efficiently allocate voltage to each regi...

'Tis a sad day in the world of Google... at least for developers who use any of a handful of ill-fated APIs. As the search giant's API list has grown in recent months, it's making the decision to cull a few in the effort of "spring cleaning." In fact, a grand total of seven new APIs were launched during Google I/Oalone, but it looks as if the end is nigh for the Blog Search API, Books Data API, Image Search API, News Search API, Patent Search API, Safe Browsing API (v1 only), Translate API, Transliterate API, Video Search API and Virtual Keyboard API. Of those, Wave is most unsurprising, but Translate likely hurts the most -- particularly for jetsetters who relied on those baked-in services to wrap their heads around various tongues. According to Goog, the Translate API has been officially deprecated "due to the substantial economic burden caused by extensive abuse." A pretty ominous phrase, to be sure, and further proof that a few rotten apples can rui...

You can do quite a lot with a sufficiently large catalog of semi-popular footage, but original content is king, and today the Wall Street Journal is reporting that YouTube will sink $100 million into original programming. The idea, according to the usual anonymous sources, is that Google will reshape the home of Keyboard Cat into a television network of sorts -- with channels for different topics -- and a good number of them featuring "several hours of professionally produced original programming a week." That sounds like a drop in the bucket compared to the raft of footage that YouTube's amateurs put out, of course, and it wouldn't be the first time we've seen Google invest in original work, but we'd be lying if we said we wouldn't enjoy kicking back with even a smidgen of the pulse-pounding possibilities that some 4096-pixel-wide footage could offer. YouTube is reportedly attracting talent right now, say the WSJ 's spooks, and intends to eas...