tilting at tiny windmills

See that little thing above Lincoln's shoulder? That's apparently a working windmill, developed by engineering students in Texas.

Micro-Windmills Could Power Your Smartphone In The Future

Using windmills in non-traditional places — like the roofs of high-rise office buildings and stadia — is already an accepted way of harnessing wind energy to generate electricity. But students at the University of Texas at Arlington want to put windmill power in the palm of your hands. [More]