Here's hoping there's more than a few military-style marches standing between us and a complete robotic takeover. If not, we've got some dire news: these are not simply miniature Roombas as they may appear, but 15 so-called Khepera bots capable of spelling out GRITS (for Georgia Robotics and Intelligent Systems) to demonstrate grad student Edward Macdonald's Master's thesis for the department. The diminutive robots aren't told where to go in the letters -- instead, they determine their spots via a control algorithm, positioning themselves relative to their fellow rolling machines, so that if one is removed from the equation, they quickly reform the letter without it. Fortunately, they haven't learned to spell "KILL." Yet. Get to know your new robotic overlords a little bit better in the video after the break.
Pentax's Optio WG-1 GPS point-and-shoot satisfied geotaggers out of the box, but owners of its K-5, K-r and 645D DSLRs have had to make do with third-party taggers like the PhotoTrackr or Eye-Fi. The new hotshoe-mounted O-GPS1 module fixes that oversight by recording latitude, longitude, altitude, Coordinated Universal Time and shooting angle. Everyday snappers might find an extra hotshoe attachment cumbersome, but astro-photography enthusiasts could well be enticed by the device's interesting "ASTROTRACER" function. This helps you take clearer photos of celestial bodies by using the in-built sensors to calculate a star's movement and then employing the camera's shake reduction system to compensate. Sounds clever, but be advised: this module is only for Pentax DSLRs -- and only for very specific models at that. You'll get full functionality with the K-5 and K-r cameras, and geotagging (no ASTROTRACER) with the 645D. Oh, and you'll need to make sure yo
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