Too cool not to share. http://scaleofuniverse.com/

[j0oftheworld]

A++

[GThomas]

HIV seems to fit perfectly into the pit of a Compact Disc.

[grahamsy2k]

thats hard to wrap my mind around.

[CabbE30]

Great post gg. I spent way too much time there.

[pharow]

That maybe the single coolest thing I have seen on the internet.

[dirty thirty]

sweet!

[swingard]

Can't wait to tell someone their man meat is one planck length long.

[e30slidewayz]

This link made my day. I got into a pretty in depth conversation a few weeks ago with my girlfriend and she could not grasp the size of the universe. This is perfect, I'll have to pass it on to her. Oh, and swingard, your man meat is one planck length long... beat you to it!