Bond vs. Centripetal force — discuss. Before viewing, however, read the attached warning:
Warning: this comic occasionally contains strong language (which may be unsuitable for children), unusual humor (which may be unsuitable for adults), and advanced mathematics (which may be unsuitable for liberal-arts majors).
P.S. I found this via SWIPIWA, who sent me this one. You have to be a real computer security geek to get that.