Amazon's Android tablet coming in 10- and 7-inch models with quad-core Tegra power?

We've pretty much accepted that Amazon will release a proper Android tablet in 2011. The details, however, are still unclear. Enter Silicon Valley analyst, Tim Bajarin, who claims to have some inside information from his sources in Taipei. If correct, then we should see Amazon launch a 10-inch LCD tablet before the holidays. He's also heard of a 7-inch model and plans to use NVIDIA's new quad-core Tegra SoC in order to blaze a path into the crowded tablet market. Interestingly enough, Tim's sources say that Amazon wanted to use a switchable "black and white E Ink-like display and a color LCD" hybrid but the two vendors approached (Qualcomm and Pixel Qi?) won't be ready with a suitable display until 2012 or 2013. Of course, Samsung -- the rumored DNA at the core of Amazon's tablet -- has plenty of experience with 10- and 7-inch Android tablets and the decision to go LCD aligns with those rumors of a Fringe Field Switching display reported by DigiTimes earlier this month. So while none of this is verified, at least it gives us something more to chew on while we "stay tuned" for whatever Bezos is cooking.

PC Mag

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Scientist cooks up adjustable strength metals

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

Compal's 'Ultra Mobile' Ultrabook eyes-on

Intel's already teased Compal's "Ultra Mobile" Ultrabook from afar, but when this Ivy Bridge laptop popped up on the show floor after the Computex keynote, we decided to give it a closer look. While this prototype isn't quite in the same league as ASUS' gorgeous UX21, do bear in mind that we're still looking at a relatively slim package for a 14- to 15-inch Core i7 rig. Also visible around the machine are a couple of USB 3.0 ports, an HDMI-out port, a LAN socket, and an SD card reader. Until we hear more about this Ultra Mobile, enjoy our eyes-on photos below. Compal's 'Ultra Mobile' Ultrabook eyes-on omment

TDK starts mass production of transparent OLEDs, makes texting and walking safer

TDK is taking those transparent OLED screens we saw back in October and putting them into mass production. The 2.4-inch, QVGA (240 x 320) UEL476 display has a transmittance of 40 percent, but obscures light passing through the front so others won't be able to read your text messages from behind. Obviously, these aren't going to find their way into high-end Android handsets, but they may have a home in fashion phones like Lenovo's S800. And, you know, they seem perfect for SMS addicts who can't stop their thumbs from flying even while walking.

NYC

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