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Sunny Seville

01.06.2007

In the Spanish province of Seville, a solar power plant with a capacity of 11 megawatts has been launched. More than a hundred mirrors follow the Sun and concentrate its light on a steam boiler, which is mounted on top of an 80-meter tower.

Steam rotates a turbine with an electric generator, as in a conventional thermal power plant. There is a thermal accumulator, which allows not to stop the operation of the station for an hour if a cloud has come up. Seville usually has 320 sunny days a year.

The solar power plant will be further expanded and by 2010 will turn into a complex with a total capacity of 302 megawatts.

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Collective intelligence in insects 29.07.2022

Scientists from Rockefeller University have found that ant colonies behave in the same way as neural networks during decision making. This was done using a new method of analysis, writes sciencedaily.com.

Two researchers, Daniel Kronauer and Asaf Gal, set up an experimental setup to analyze decision making in ant colonies. They tested how the insects would behave in an extreme temperature increase for them.

When each individual ant in the group feels hot underneath, it holds on as usual until the entire colony suddenly changes course. "They run out as one," the scientists say. "It's almost as if they had a large collective mind."

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"We first looked at ant colonies as a cognitive-like system," says Kronauer. "This is one of the first steps to understanding how insect communities participate in collective decisions."

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