Cisco may have washed its hands of pocket camcorders, but Olympus is ready to dive into the market with gusto. The company, best known for its cameras and voice recorders, just brought those two worlds together by announcing the LS-20M, a handheld whose relatively high-end audio specs should help it go toe-to-toe with Zoom. In addition to 1080p video, the LS-20M records 24 bit / 96 hHz Linear PCM audio using a pair of condenser mics. Alas, at $300 it has a small 2-inch screen and no optical zoom, but at least Olympus borrowed four of the visual effects that make its PEN cameras so fun to use. Look for it in June, and in the meantime, hit the PR for more details.
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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