Track Loss of iPhone Reception Using the RootMetrics App [IPhone Apps]

Whether it's for your own passive-aggressive diarising, or you actually plan on launching an appeal against AT&T, the RootMetrics app is worth a download. It's crowd-sourcing data for coverage maps...hopefully so networks can plug the holes. [RootMetrics via Gigaom]

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Emergency MicroSD Card-Reading Situations Are Catered For in ThinkGeek's Watch [Watches]

True nerdlingers probably use the time display on their TI graphics calculators, but one level up from those people would have this microSD card-reading watch strapped on at all times. Even bedtimes. Especially bedtimes. $16. [ThinkGeek via LikeCool]

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Seiko's 'active matrix' E Ink watch now up for pre-order

Does the time you spend at work away from your e-reader leave you crippled with the E Ink shakes? Well the good news is that Seiko's gorgeous atomic clock-syncing 'active matrix' E Ink watch we covered a while back is now available for pre-order via Amazon Japan. The bad news is that it's priced at ￥84,000 (on sale) -- which equates to roughly $1,022 based on current exchange rates. That's about five times more than Phosphor's latest 24 hour time zone mastering E Ink watch, or nearly enough cheddar to a buy one of Amazon's latest Kindles for everyday of the work week. Really, though, the price isn't too surprising coming from a respected watch company like Seiko, especially when you take into account its schmancy 180 degree viewing angle, geek-chic looks, and radio-controlled movement. Don't be misled by the 'active matrix' terminology however, because a matching leather trench coat isn't part of this deal.

[Thanks, P-A]

Seiko's 'active matrix' E Ink watch now up for pre-order originally appeared on Engadget on Thu, 11 Nov 2010 10:51:00 EDT. Please see our terms for use of feeds.

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Samsung NX 100 gets reviewed, deemed a good option for the CSC curious

We've shared exclusives of Samsung's NX100 in the wild, gone hands on and even completed a quick and dirty mini review at Photokina this year, and for the most part walked away impressed by its i-Function lens controls and wallet-friendly price. Now, the folks at Photography Blog have shared their own exhaustive review of the mirror-less camera and recommend the NX10's little brother as a good option with a high-quality APS-C sensor for those looking to dip their toes in the Compact System Camera waters. However they were less enthused about the NX100's i-Function controls than we were, feeling the concept would work better on units with electronic viewfinders (which they missed on the NX100) -- since they can be held close to the eye as opposed to at arm's length. The lack of a built-in pop-up flash, and optical or in-body stabilisation was also a disappointment. Benefits like a good Smart Auto scene selection system, competitive focusing speed, and an impressive AMOLED 3-inch screen were mentioned as redeeming high points though, which combined with rock-bottom pricing, put the camera in a unique competition-undercutting position. For more juicy details, be sure to hit up the review link below.

Samsung NX 100 gets reviewed, deemed a good option for the CSC curious originally appeared on Engadget on Thu, 11 Nov 2010 12:21:00 EDT. Please see our terms for use of feeds.

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How âSuper AMOLEDâ Displays Work [Displays]

How 'Super AMOLED' Displays Work [Displays]

Some tablets and smartphones ship with an AMOLED display. Newer ones are shipping with a "Super AMOLED" display. What so super about it, and what does all this alphabet soup even mean?

The short version is that a Super AMOLED touchscreen display integrates touch sensors with the glass surface panel, eliminating at least one layer of glass and with it, a layer of air. That's what makes Super AMOLED super. Only Samsung makes it.

Super AMOLED schematic from Samsung

I said "at least one layer of glass" because AMOLED itself eliminates at least one layer in a display. The current Galaxy Tab, for example, uses a TFT-LCD (Thin-Film Transistor Liquid Crystal Display) screen. Until very recently, TFT-LCD has been the state of the art in thin color displays and is still the only cost-effective option in the vast majority of displays larger than a smartphone screen.

TFT-LCD has approximately four layers: a backlight, a TFT color filter, a touch-sensor panel, and an outer glass screen. AMOLED (Active-Matrix Organic Light-Emitting Diode) eliminates the separate backlight. AMOLED, however, is known for having problems with glare and readability in direct sunlight, even relative to average LCD screens. By minimizing the number of reflective surfaces and power necessary to achieve vivid color, Super AMOLED was designed in part to address this.

Samsung introduced Super AMOLED to commercial devices this year with the Samsung Wave, which ran their own Bada OS. The Android-powered Samsung Galaxy series of smartphones made the displays popular, and it's since appeared on Samsung's Windows Phone 7 handsets as well.

There are other advanced color technologies in the market, all of them super, and all of them extra-expensive: Super LCD recently joined Super IPS and Advanced Super View. But only Super AMOLED has really captured the popular imagination.

A 7-inch Android tablet with an AMOLED display would probably be a serious advance over its current LCD screen. But if it's "just" AMOLED, something about it would just seem … less than super.

Wired.com has been expanding the hive mind with technology, science and geek culture news since 1995.

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