After we took a trip to Science museum, we had time to talk about which clock have we impressed and why. I picked a clock that looked like pretty rather than a well-designed clock with durability and usefulness. However, one classmate said a clock what he liked was a water clock. It was interesting that it sink in a period of about 25 minutes. After that, we received a small task with a piece of paper that is written about an imagined user. My user was a star and the task was making the clock for the user. I did not have any idea when I started research since the user was not a human being. Oliver recommended to search the life cycle of a star and I decided to make a clock with large and small stars' life span. I was inspired by these two clocks when I did sketch. One is unfinished astronomical clock and I liked the way to make planets by using beads. Another is a drum clock and I am kin on the thickness of the side. I tried to understand the user in order to the usefu...