For most people, the word farm conjures up images of dairy cows out to pasture, or amber waves of grain. But for two Massachusetts Institute of Technology graduate students, the term could apply just as well to the herds of people trudging through South Station or flooding the gates at Fenway Park.

The force of those feet striking the floor generates energy that - theoretically, at least - could be harvested and converted into electricity. What is a farm, after all, but a place to collect the resources people need - milk, wheat or even power...

Labels: architecture, energy, sustainability