Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. This energy can be used to generate electricity or be stored in batteries or thermal storage.
They weren't making money and no one was using it
Um what type of teacher would-
Generally speaking, after being an apprentice, a person would become a "journeyman," since this required a higher set of skills and expertise. This was not always the case, however.
This philosophy inspired the faith in the Truman Doctrine that pledged the US to support anti-communist regimes to protect them from falling to the communists. From this perspective, the interventionist foreign policy of the US in preventing the spread of communism was crucial to US victory in the Cold War