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In 1665, Dutch scientist Christiaan Huygens noticed something strange. Two swinging pendulum clocks were found to eventually synchronize when hung together, and it wasn’t until 2002 that the mystery ...

The 350-year-old mystery of why pendulum clocks hanging from the same wall can influence each other and synchronize over time may hold even more secrets than previously thought, researchers say.

It is well known pendulum clocks hanging on the same wall synchronize themselves over time. Now researchers at the University of Lisbon have revealed the reason behind the phenomenon: sound waves.

WASHINGTON: The mystery about why pendulum clocks hanging from the same wall synchronize over time has been revealed, research showed. In 1665, Dutch physicist Christiaan Huygens, inventor of the ...