The Guinnes Book of Records verified that the artificial tornado in Germany’s Mercedes Benz Museum is the world’s largest man-made twister. It’s 34.43 meters (~113 feet) tall, and contains approximately 28 tons of air. It takes 144 jets about seven minutes to produce. It was created to suck smoke out of the building and save lives should a fire start. In the picture, carbon dioxide is being sprayed into the bottom of the tornado to make it visible

Origin of the billiard table

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