Man Holding A Clock In His Hand

“C” is for Clock

Clocks are one of the first things humans ever invented. A sundial is a type of clock. Sundials were invented about 3500 years ago. Before alarm clocks were invented, someone was hired to go from house to house to knock on doors until everyone woke up. These people were called “knocker uppers”. Today, there are different types Read more about “C” is for Clock[…]