He wasn't surprised when he was assigned to the job of helping paint the solar mirror. This was a big trough that was to run all around the top of the station, set to face the Sun. It was curved to focus the rays of the Sun on a blackened pipe that ran down its center. In th...
Expectations concerning the economic development and job-creating potential of UA are greatly surpassed by its social benefits [280]. Community gardening is now playing an increasingly important role in cities in terms of “environmental education”, as it is a valuable tool for raising awareness of...