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Officials from the U.S. Department of Interior's Bureau of Reclamation have decided to implement safety works at Boca Dam in California that will meliorate its performance during potentially big earthquakes.
By just molding the sand by hand, the landscape comes to life, with colored topographic contour lines showing elevation and simulated water
A bolt of lightning is able to deliver up to 5 gigajoule of energy (energy that can power a house in the US for over a month).
According to researchers from Bath University, waste plastic can replace some of the sand used in concrete.
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