Well look here! You can have your cake and eat it too -- and by cake we mean that landscape QWERTY smartphone known as the Nokia E7. The latest and greatest Communicator has caught up with its European twin and is shipping unlocked and contract-free from Amazon right now. It can be yours for $649, which is somewhat cheaper than the $679 pre-order price we mentioned last month. This buys you a 4-inch 640x360 ClearBlack AMOLED capacitive touchscreen, an 8 megapixel EDoF camera with dual-LED flash, a pentaband 3G radio, and the coolest hinge mechanism on the block. So visit the source link, and get your Symbian on.
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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