Slide Trombone

Slide Trombone

(alt-text)

Remember the CPS 2000, the super soaker that was discontinued because it was too powerful? Relatedly, can I borrow your tuba?

What If? is now on YouTube!
Check out the first video for the answer to
“What if we aimed the Hubble Telescope at Earth?”
and follow xkcd’s What If? The Video Series channel to be notified about each new video.