The sun's light thrown back from the moon to the earth and returned from the earth to the moon! It seems never to have occurred to these students of imagination that this so-called earth-light is most intense when the moon is youngest, and therefore illuminates the earth the least.
In the 1980s, vendors and utilities were introduced to more standardized, interactive systems across larger networks, and SCADA use became common at utilities.n the power industry, SCADA is sometimes referred to as part, or all, of an EMS (energy management system). If connected to a power plant, it could be part, or all, of a GMS (generation management system). It also could be swapped with or added to a DMS (a distribution management system).
President Lyndon B. Johnson used PARC's report as the basis for legislation developed with the bipartisan support of Congress. Submitted to Congress in 1964, the Appalachian Regional Development Act (ARDA) was passed early in 1965 by a broad bipartisan coalition and signed into law (PL 89-4) on March 9, 1965.n the mid 1960s, at the urging of two U.S. presidents, Congress created legislation to address the persistent poverty and growing economic despair of the Appalachian Region. A few statistics tell the story: