Google announced on Tuesday plans to put hundreds of millions of dollars into alternative energy. The question now is whether the company is advancing the state of the art or just imitating everyone else who is dumping loads of money into the field.
The answer is some of both.
One of the first companies to get funding from Google will be eSolar, which will make solar thermal plants based on the heliostat design. In this concept, an array of flat mirrors gathers and directs sunlight onto a water tower. The water boils into steam, which turns a turbine to make … Read more