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MIT researchers use shadows to create a video of what happens off camera
In order for self-driving cars to park themselves, they'll need to be able to see around corners. A team from MIT's CSAIL may have a new way to do that. Using video footage of shadows, they've developed an algorithm that can recreate video of what's happening off the screen.
Mac 101: Active Screen Corners
New to the Mac? Welcome back to our Mac 101 series, which explores the basics of Mac OS X, provides tips and tricks, and dives into key features of Apple's bundled tools. If you've ever had a panicked moment at work when you need to clear your screen quickly (because you're working on a colleague's birthday card, of course!), Active Screen Corners are for you. They can also activate your screen saver, and help you manage Spaces and Exposé. To use Active Screen Corners, first open System Preferences (by selecting it from the Apple Menu). Then, click the "Exposé & Spaces" icon. In the Exposé tab, you'll see there are four corners that you can activate. To use an Active Screen Corner, just move your mouse all the way into that corner. To reverse the action, just move your mouse out of, and then back into, the same corner. For each corner, there are several handy options. Read on to see what you can do with your Active Screen Corners.
