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///@cleoabram: This is the biggest science experiment ever built. It’s a tunnel, over 100 meters underground and 27 kilometers long. Inside that tunnel, scientists put a long blue tube… and inside that tube, they put two pipes that they keep colder an

///@cleoabram: This is the biggest science experiment ever built. It’s a tunnel, over 100 meters underground and 27 kilometers long. Inside that tunnel, scientists put a long blue tube… and inside that tube, they put two pipes that they keep colder an

Roger

Roger on June 3, 2024 78 views

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