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Daily · Mass and Momentum

360° scene from Collapse of St Mark's Campanile1769 AD – 1996 AD

Enormous physical forces take center stage through awe-inspiring mechanical innovations, the deliberate movement of immense weight, and sudden, spectacular moments of structural destruction.

HistoryGuesser Daily5 locations46 plays1769 AD – 1996 AD

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  1. Round 1 · 1902 AD

    Casual

    Collapse of St Mark's Campanile

    On a calm July morning, the thousand-year-old bell tower of St Mark's unexpectedly pancaked into a massive heap of brick dust, miraculously killing nobody except an unfortunate caretaker's cat.

  2. Round 2 · 1825 AD

    Tricky

    Inaugural Run of Locomotion No. 1

    George Stephenson's Locomotion No. 1 hauled the world's first passenger train on a public railway, carrying some 600 people at a top speed of 15 mph.

  3. Round 3 · 1896 AD

    Expert

    The Crash at Crush

    A railroad company staged a high-speed head-on collision between two steam locomotives as a spectacular publicity stunt, drawing tens of thousands of spectators before the boilers unexpectedly and lethally exploded.

  4. Round 4 · 1996 AD

    Expert

    Placing the Maeslantkering Barrier Arms

    As the final piece of the monumental Delta Works, this storm surge barrier relies on two massive floating gates that are sunk to the riverbed when severe storms threaten Rotterdam.

  5. Round 5 · 1769 AD

    Expert

    Moving the Thunder Stone

    Catherine the Great ordered a massive 1,500-ton granite boulder moved across the marshy terrain using only human labor, bronze tracks, and no animal power, to serve as a regal pedestal.

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