nerd comics

i didn't think that beat frequencies in various aspects of life interested others too: http://xkcd.com/165/

other neat comics:
http://xkcd.com/327/
http://xkcd.com/379/
http://xkcd.com/55/
http://www.phdcomics.com/comics/archive.php?comicid=8
http://xkcd.com/198/
http://www.phdcomics.com/comics/archive.php?comicid=905
http://www.phdcomics.com/comics/archive.php?comicid=1012
http://www.phdcomics.com/comics/archive.php?comicid=858

oh...
http://www.phdcomics.com/comics/archive.php?comicid=868