Where does our time fly? What do we spend time on? Why do we have only 24 hours in a day? Why do some events last forever and others rush by us in a blink? We ask these questions from time to time, but it does not seem easy to get the answers.

Where does our time fly? What do we spend time on? Why do we have only 24 hours in a day? Why do some events last forever and others rush by us in a blink? We ask these questions from time to time, but it does not seem easy to get the answers.