To a veteran horologist, "time is still a man-made invention." In his Pennsylvania workshop, he fixes its flaws. Horologist Theron "Jeff" Jeffery has been fixing clocks at his Ye Old Clock Shoppe ...

Greg Allison's grandfather, Charles, was an esteemed clock maker, but tracking down his timepieces was not an easy task. "He grew up in Holley, a middle child in a farming family, and in 1908 ...

It’s thought American songwriter Henry Clay Work’s 1876 song, My Grandfather’s Clock, is the reason behind this style of clock’s unusual name. He was inspired to pen the song after seeing ...

Martinsville Speedway President Clay Campbell revealed the logic behind one of NASCAR’s most unique and cherished prizes – the Martinsville Speedway Grandfather Clock. The track founder ...

Just as grandfather clocks use oscillations of a pendulum to measure time, atomic clocks define a second as 9,192,631,770 microwave oscillations of a cesium atom as it absorbs microwave radiation ...