Assertion: bong's team | /r/CapableOf | use laser doppler vibromety
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text: Using ‘laser Doppler vibromety’, a 3D computer model and lasers to map the vibrations as the bells chimed at 9, 10, 11 and 12 o’clock, the team were able to characterise the distinct sound and map the vibrations in the metal of Big Ben that are too tiny to be seen by the naked eye.