The amount of numbers present on a sundial.
What is the number 12?
What is time?
A timekeeping device on a digital device.
What is a digital clock?
Following the invention of time, the major breakthroughs its been a core fundamental of.
What is science, physics and math?
A timekeeping device that uses the sun to cast a shadow onto the time.
What is a sundial?
This ancient Egyptian timekeeping device, dependent on the sun, tells the time with a right-angle triangle called a gnomon and reflects a shadow onto the device.
What is a sundial?
The most precise clock used today.
What is an atomic clock?
The second clock ever made, and uses markings to indicate the time has past, and seeps water through a cup.
What is the water clock?
What is a right angle triangle, or a gnomon.
The base 60 number system, developed by the sumarians, and is used today to tell time in seconds, minutes, and hours.
What is the sexagesimal number system?
The bigger form of a sundial.
What is an obelisk?
This period of time is 9,192,631,770 vibrations.
What is a second?
An item with a piece of quartz, and an electric oscillator at its core that precisely tells time with 32,768+ vibrations in a second.
What is a quartz clock?