
"Christmas Plans", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License
Alt Text
Physicists who want to protect traditional Christmas realize that the only way to keep from changing Christmas is not to observe it.

"Christmas Plans", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License
Physicists who want to protect traditional Christmas realize that the only way to keep from changing Christmas is not to observe it.