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American researchers experimented with unconventional solar-energy designs, such as this thermoelectric panel. (Universal History Archive / Universal Images Group / Getty) You wouldn’t know it today, but the silicon photovoltaic solar cell—the standard, black-and-copper solar panel you can find on suburban rooftops and solar farms—was born and raised in America. The technology was invented here. In 1954, three American engineers at Bell Labs discovered that electrons flow freely through silicon wafers when they are exposed to sunlight. It was deployed here. In 1958, the U.S. Navy bol...
Why a hedge fund’s successful assault on ExxonMobil matters
Why a hedge fund’s successful assault on ExxonMobil matters
Why a hedge fund’s successful assault on ExxonMobil matters