#3080: Tennis Balls

XKCD comic, described below.
Transcript

[Cueball fires eight tennis ball at decreasing heights using a tennis ball machine, making four "thunk" noises. Megan is standing behind him.]

[Ten noises come from the right side of the panel.]

Bonk

Bonk

Bonk

Bonk

Bonk

OW!

Bonk

OW!

Bonk

Bonk

[Megan has her hand to her chin.]

Megan: Ok, there's definitely a person over there. Let's do one more pass to try to measure their height.

[Caption below the panel:]

Electrons are small and hard to work with, so some scientists have developed a scanning tennis ball microscope instead.


(Sourced from explainxkcd.com)

Title text:After initial tests created a series of large holes in the wall of the lab, the higher-power Scanning Tunneling Tennis Ball Microscope project was quickly shut down.


ExplainOriginal