Her Secret Workshops Google [x] work on something that nobody knows.
We already know some of his works, but it seems that a lot is happening in there that we do not know. The first work of the laboratories that became known, were the cars without a driver, while the second is Google Glass.
However, it seems that there is at least one project that we do not know. Google recently acquired Makani Power, a newly established wind energy company. The company produces wind turbines and kites producing electricity.
The information has been confirmed by Google after the BusinessWeek event was revealed.