November 19,
2019
A secretive startup backed by Bill
Gates has achieved a solar breakthrough aimed at saving the planet.
Heliogen, a clean energy company that emerged from stealth mode
on Tuesday, said it has discovered a way to use artificial intelligence and a
field of mirrors to reflect so much sunlight that it generates extreme heat
above 1,000 degrees Celsius.
Essentially, Heliogen created a solar oven — one capable of
reaching temperatures that are roughly a quarter of what you'd find on the
surface of the sun.
The breakthrough means that, for the first time, concentrated
solar energy can be used to create the extreme heat required to make cement,
steel, glass and other industrial processes. In other words, carbon-free
sunlight can replace fossil fuels in a heavy carbon-emitting corner of the
economy that has been untouched by the clean energy revolution.
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