Friday, May 10

Official Google Blog

Official Google Blog


A picture of Earth through time

Posted: 09 May 2013 04:20 AM PDT

Today, we're making it possible for you to go back in time and get a stunning historical perspective on the changes to the Earth's surface over time. Working with the U.S. Geological Survey (USGS), NASA and TIME, we're releasing more than a quarter-century of images of Earth taken from space, compiled for the first time into an interactive time-lapse experience. We believe this is the most comprehensive picture of our changing planet ever made available to the public.

Built from millions of satellite images and trillions of pixels, you can explore this global, zoomable time-lapse map as part of TIME's new Timelapse project. View stunning phenomena such as the sprouting of Dubai's artificial Palm Islands, the retreat of Alaska's Columbia Glacier, the deforestation of the Brazilian Amazon and urban growth in Las Vegas from 1984 to 2012:



Feel free to share these GIFs! More examples can be found on Google+.

The images were collected as part of an ongoing joint mission between the USGS and NASA called Landsat. Their satellites have been observing earth from space since the 1970s—with all of the images sent back to Earth and archived on USGS tape drives that look something like this example (courtesy of the USGS).

We started working with the USGS in 2009 to make this historic archive of earth imagery available online. Using Google Earth Engine technology, we sifted through 2,068,467 images—a total of 909 terabytes of data—to find the highest-quality pixels (e.g., those without clouds), for every year since 1984 and for every spot on Earth. We then compiled these into enormous planetary images, 1.78 terapixels each, one for each year.

As the final step, we worked with the CREATE Lab at Carnegie Mellon University, recipients of a Google Focused Research Award, to convert these annual Earth images into a seamless, browsable HTML5 animation. Check it out on Google's Timelapse website.

Much like the iconic image of Earth from the Apollo 17 mission—which had a profound effect on many of us—this time-lapse map is not only fascinating to explore, but we also hope it can inform the global community's thinking about how we live on our planet and the policies that will guide us in the future. A special thanks to all our partners who helped us to make this happen.

We’re going live from Google I/O

Posted: 08 May 2013 03:49 PM PDT

Developers today have the power to introduce powerful, breakthrough technologies to the world through their code. That's why we look forward to bringing Google developers together year after year at Google I/O, our annual developer conference. In one week, we'll welcome more than 6,000 developers to I/O through the doors of Moscone West Convention Center in San Francisco, Calif.—and many more via our event's live streams. If you're looking for inspiration and want to learn more about the future of our products, we hope you'll tune in to our live keynote and technical sessions.


Starting on May 15 at 9 a.m. PT (16:00 UTC), join us as Google Developers Live (GDL) powers multiple channels of live streamed content from Google I/O on developers.google.com/io. On this page, you can:

  • Stream the keynote on your computer, tablet or phone. Get in on the action, and listen to product and technology announcements straight from our teams. Live streaming will run on developers.google.com/io from 9 a.m. PT (16:00 UTC) to 7 p.m. PT (2:00 UTC) on May 15 and 16.
  • Watch exclusive interviews with the Googlers behind the latest product announcements. This year, GDL will broadcast one-on-one product deep dives, executive interviews and Developer Sandbox walkthroughs from our onsite stage.
  • Get the latest news in real time. We'll post official announcements during I/O. You'll be able to see the feed on the Google I/O homepage, in the I/O mobile app (coming soon), and on +Google Developers.
  • Never miss a session. The keynote and all sessions will be recorded and made rapidly available on GDL and the Google Developers YouTube channel.

Whether you're joining us from the comfort of home for Google Developers Live at I/O or at an I/O Extended event, tune into developers.google.com/io at 9 a.m. PT (16:00 UTC) on May 15 for the latest from Google product teams. Add +Google Developers to your circles and follow #io13 to stay updated on official conference announcements and connect with the community.

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