This video dicusses three simple ways to travel through time (all of which you can do right now at home) and three not-so-simple time travel methods.
For more on time-travel, here are some works by physicist and time-lord Sean Carroll:
Rules for time-travellers - http://blogs.discovermagazine.com/cos...
Learn more about time and time-machines in his book From Eternity to Here - http://preposterousuniverse.com/etern...
Visualizations of the spinning universe - http://iopscience.iop.org/1367-2630/1...
An engaging talk on the Paradoxes of Time Travel - https://vimeo.com/11917849
(via digg)