The 350-year-old mystery of why pendulum clocks hanging from the same wall synchronize over time may finally be solved, scientists say. In 1665, Dutch physicist Christiaan Huygens, inventor of the ...

Hang two pendulum clocks on the same wall, and over time, something strange will happen: the two clocks will tick in synchrony. Renowned Dutch scientist Christiaan Huygens, the inventor of the ...

When two identical pendulum clocks are mounted next to each other on a wall, their swings eventually become synchronized, swinging in opposite directions. He called the effect "an odd kind of ...

After 350 years two Portuguese researchers believe that pendulum clocks eventually swing together because of sound pulses that travel through the wall from clock to clock. Henrique Oliveira ...

Limited production started in October 1929 before full production began in November. As part of the plant’s outfitting, DuPont purchased several pendulum wall clocks from the E. Ingraham Company of ...

That big grandfather clock in the library might be an impressive piece of mechanical ingenuity, and an even better example of fine cabinetry, but we’d expect that the accuracy of a pendulum ...

A grandfather clock stood stoically next to the seltzer cabinet, and a pendulum wall clock kept watch above the crystal candy jar in the living room. My favorite was the cuckoo clock on the staircase.