What’s the Meaning of “o” in “o’clock”?
“O” stands for “of the” clock. When we refer to an hour as “o’clock,” we mean that it is a specific hour “according to…
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Clock
Why Is a Day Divided into 24 Hours?
Why Is a Day Divided into 24 Hours? It appears that the Egyptians were responsible for the 24 hour day. The Egyptians were fond of counting
Who Invented the Quartz Clock?
Who Invented the Quartz Clock? In 1927, Canadian-born Warren Marrison, a telecommunications engineer, was searching for reliable frequency s