YT: The Large Hadron Collider started its physics program with the first proton-proton collisions at 7Tev on March 30, 2010. Watch and share with us the excitement of the "First Physics" day, after 20 years of planning, construction and repairs.

posted by arvana 3 years 1 month 1 week ago • 2,167 views • 4:19
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