Checking in with the latest from DigInfo News - we get a report about a light-controlling sheet "that can switch between mirror and transparent states."
The technology can help save energy by "effectively shutting out sunlight, greatly reducing the load on air-conditioning."
Check out the DigInfo News report for more details on the project.
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.