By Ariel Schwartz •
December 10, 2008

I’ve noticed an increasing trend recently of people trying to squeeze out energy from every possible nook and cranny. The latest example of this is the world’s first energy-generating revolving door located at Natuurcafe La Port in the Netherlands.
By Ben Robinson •
December 4, 2008
A cafe in the Dutch town of Zeist has installed a revolving door which generates electricity as you pass through.

Holland has led the way in wind power for centuries. With a quarter of the country lying below sea level they have traditionally used windmills to pump out the water. They currently have the world’s largest offshore wind farm, generating enough power to supply more than 100,000 homes. They are also famous in harnessing human power for transport. Anyone who has been to Amsterdam has seen the millions of bicycles on the streets. So what are they up to now?