xkcd.com logo A webcomic of romance,
sarcasm, math, and language.
Click on the comic to view the full-size version.
Gravity Wells
Gravity Wells

Permanent link to this comic: http://xkcd.com/681/
Image URL (for hotlinking/embedding): http://imgs.xkcd.com/comics/gravity_wells.png
Selected Comics Grownups Circuit Diagram Angular Momentum Self-Description Alternative Energy Revolution
RSS Feed - Atom Feed

This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License.

This means you're free to copy and share these comics (but not to sell them). More details.