145 Keepers Of Time - One Minute History

The video explores the evolution of timekeeping from ancient civilizations to the invention of mechanical clocks. It covers the use of shadow clocks by Egyptians, water clocks by Babylonians, incense clocks, and the development of the verge escapement, which led to mechanical clocks.

What was the primary purpose of the shadow clock used by Ancient Egyptians?

• To separate morning from afternoon

• To predict weather changes

• To measure the flow of water

• To calculate the length of a day

Which ancient civilization used water clocks to measure time?

• Chinese

• Romans

• Babylonians

• Greeks

What was the basis for the development of the hourglass?

• Incense clock

• Sundial

• Shadow clock

• Water clock

How did incense clocks mark different hours?

• By casting shadows

• By changing colors

• By producing sounds

• By emitting different scents

What significant invention in 1275 led to the age of mechanical clocks?

• Digital display

• Quartz crystal

• Verge escapement

• Pendulum