The key to making rain where it wouldn't ordinarily fall could be an extremely large black tarp.
Researchers from the University of Brussels and Ben Gurion University of the Negev want to cover several kilometers of the desert in a special solar-absorbing material that they say could cause clouds to form and rain to fall. Unknown ecological disasters aside for the moment, the technique could be used to transform barren regions into farming centers.
The material, from a company called Acktar, is a thin, relatively light black-colored polymer that can stretched onto frames. The frames would then be placed … Read more