While most of us are busy having snowball fights, wildlife cameraman Gordon Buchanan has been tackling something much more impressive in the icy cold: polar bears!
This igloo is made by filling milk cartons with water and food coloring and then stacking the 500 brightly colored ice blocks to make an incredible rainbow effect.
For two and a half years, Marcin Ignac kept track of all of his computer activity. Everything. Then, he used the data to create really cool visualizations.
New Year's Eve wouldn't be complete without well wishes from a robot. It's a good thing that Alderbaran Robotics agrees. They even put together a short video with NAO sending us all the best for 2013.
You won't get much thrust out of an ion thruster: compared to a chemical rocket engine, they're not all that impressive. What makes ion thrusters so great is their ability to put out small amounts of thrust very efficiently and for a very long time, and NASA's Evolutionary Xenon Thruster has now been operating for 43,000 hours. That's nearly five years straight.
Andrew Choy took this night shot of San Francisco International Airport from a Cessna back in 2005. Gorgeous, right? It was even a finalist for the 2006 Wikimedia Commons Picture of the Year. With all that hectic holiday travel underway, it's nice to see such beautiful shot of one of the busiest airports in the United States.