Nintendo 3DS users will soon have another way to extend their system's notoriously limited battery life, thanks to Hyperkin's new 3DS Powerplus. Slated for release this summer, the 2.2-ounce accessory slips on to the back of the console without obstructing the 3DS' cartridge port, SD card and game controls, while adding an extra 1800mAh to the device's standard 1300mAh battery. The Powerplus also features an enhanced grip, as well as an LED indicator that can give you an idea of how much gas you've got left in the tank. Hyperkin says its $19.99 appurtenance will more than double your 3DS' battery life, but, as welearned from Nyko, seeing is believing. Head past the break for an extra image of the Powerplus, along with a full PR.
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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