Here’s a photo project that’s both simple and brilliant. Artist Ken Murphy is working on an exercise called A History of the Sky, in which he uses a digital camera to shoot still images of the sky throughout the day, then assembles an entire day’s worth of images into video clips. You can best understand Murphy’s project by watching his YouTube video showing a grid of 146 images of San Francisco sky from sunup to sundown—a creative visual representation of weather and seasons. We found it both relaxing to watch, and mind-boggling to consider how much information has been condensed into this short video. Watch the video:

Read more about how it’s done on Ken Murphy’s site.

(Spotted on Evil Mad Scientist via Metafilter.)