Watch the American Landscape Change as Seen From Space - To celebrate the launch of the first Landsat satellite on July 23, 1972, the USGS and NASA asked the public to nominate landscapes that have undergone a lot of environmental change for a closer look. The Landsat team chose these six submissions and created customized chronicles of the change in each area.
(Via Wired Top Stories.)
Using QR Codes to Preserve Identity - Quick Response (QR) codes, those little black-and-white boxes of pixels that encode links and information, are popping up everywhere these days. Taking advantage of the codes' ability to capture and obscure data, Los Angeles-based Chilean artist Guillermo Bert has found another creative use of QR technology -- he's using the bar codes to preserve the identity and traditions of the Mapuche, Chile's largest indigenous population.
(Via Wired Top Stories.)
New Satellites Could Make GPS Harder to Jam - Without GPS, drones can't fly, communications networks can't function, and you don't have a chance of figuring out how to get to your Aunt Sadie's place in New Jersey. And right now, GPS is highly vulnerable because its weak signals are coming from an aging constellation of satellites. Lockheed Martin thinks its next-gen satellite can change all that.
(Via Wired Top Stories.)
Twitter crashes day before Olympics kick off - 
The day before the opening of the 2012 London Olympics that are expected to light up major social networks, Twitter has crashed.>
(Via Macworld.)
Review: SkyDrive looks to compete with Dropbox, Google Drive - 
Microsoft has performed a thorough revamping of SkyDrive, which makes it an explicable and competitive online file storage service.
(Via Macworld.)
Great QWERTY smartphones you can have right now (roundup) - You want a phone with a keyboard? You got it! Here's a roundup of some of the best and most interesting phones with QWERTYs you can feel beneath your fingertips.
(Via CNET News.com.)
RIP Sally Ride ... My First Hero - I was nine years old when I first wanted to be an astronaut, and my first hero was Sally Ride. I looked up to her as a woman, a scientist, and an astronaut. Sally Ride's integrity never faltered, even as a woman in a male-dominated profession for much of her career.
(Via Wired Top Stories.)
