Viewing the photos sent back from NASA’s Mars Curiosity mobile science laboratory has been exciting over the last week, but here’s one with a twist… and a roll. Open this link on an iOS device that contains a gyroscope sensor — like the iPad 2 and third-generation iPad, iPhone 4 and 4S, and fourth-generation iPod touch — and navigate the panorama by tilting and moving the device. (Bonus points for scanning the horizon while you’re sitting in a swivel chair!) follow link
Remove Excess Audio/Video from a Pear Note
If you ever find yourself in a situation where you used Pear Note to record a class or meeting, then forgot to stop the recording and ended up with an extra few hours that you didn't want, don't worry. You can crop off the extra recording. Just move the playhead to the end of what you want to keep, then select Crop Recording From Here from the Edit menu.
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View Mars Panorama Using a Gyro-Enabled iOS Device