Disclaimer. The credit goes all to Nikos Skalkotos, on whose blog I found this. I couldn't help but repost it here.
Sometimes, when you write something in LaTeX which has a number of figures, some pages have a lot of whitespace. If you also have a footnote on this page, the footnote won't be typeset at the bottom of the page, but directly below the text .
I find this utterly annoying. So, after a little Googling, I found the package footmisc. It can be used to typeset the footnotes at the bottom of the page, even if there's a boatload of whitespace before. Just use the following command in the preamble: