Science Monday: There's no 'fourth' dimension

Explaining the whole dimensional theory stuff in under 2 minutes

This week's 'minutephysics' video tackles the issue of trying to identify "the fourth dimension", and why dimensions exist, but why we can't say which one is the first, second, third or fourth. It's always assumed that the fourth dimension was time, but it's more that we live in a three-dimensional world with a fourth "time dimension". Things get funky and fuzzy from there:

However, we do know that there's a "third" dimension, because that's where Homer Simpson went in this famous Simpsons clip: (forgive the Spanish dubbing, Fox still won't' let people post Simpsons clips on YouTube)

And finally, I do know that there's a "fifth dimension", as witnessed here:

Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.

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