Remember meForgot password?
    Log in with Twitter

2018-02-09 16:37:42

The system is capable of generating up to 20 MW of power in shafts varying from 500 feet to 5,000 feet. It can last 50 years without degradation, and it’s cost-effective because it uses existing infrastructure.

Image uploaded by Karen Graham
Featured In
Personal Albums Nov 7, 2013 - Science
Latest News
Top News