A trip to the local clock shop reminds everyone in Huckle's class how important clocks are for our everyday lives.

Researchers are trying to understand how the brain functions during sleep. All animals sleep and have a circadian clock. This clock tells the body when to sleep and when to wake.

The time keeping in the Olympics need extreme accuracy when measuring the difference between the first place winner and the other athletes. Precision and accuracy are very important to make sure the times are correct.

This video illustrates how time got mandated in certain areas in 1918. In the past, people told time by using the shadow of the sun and sundials. Eventually, they needed to introduce a new way to measure time because people were increasingly traveling greater distances.

Beakman explains time, how it's measured, and how clocks work. He explains the history of clocks and how we got to quartz clocks today.