tower. but then in 2012, queen elizabeth ii, celebrated her diamond jubilee, meaning the 60th anniversary, of her as queen. so, the clock tower, was renamed, the elizabeth tower, in her honor. - get out of here, you are now lying without any doubt. you americans, you americans. (bell tolling) - [nicole] honest, it really is now officially, the elizabeth tower. the clocks are powered by a swinging pendulum, that's 13 feet long. to keep the clocks accurate, they have to adjust the pendulum swing. they do that with a stack of pennies sitting on the base of the pendulum. adding or taking away one penny, changes the time by four tenth of a second over the course of a day, makes cents. - here are some more words of wisdom to ponder. i like that. (upbeat music) - [katie] this report is brought to you by target. when you might still be finishing up your halloween candy, the holiday shopping season is right around the corner. and some time shopping for everyone in your list is not easy. so, back with us again is lifestyle expert justine santaniello, with some ideas to help us out. welcome to teen kids