[Stephen Hobley] has been experimenting with an electromagnetic pendulum in order to build himself a clock. Through the ... without the need for chains and weights, which are typically associated ...

The further you move up the clock face, the more power you add. Putting the tape at these positions can raise the sweet spot. If you find that your racquet doesn’t have enough weight of shot ...

turning the gears of the clock which drive the hands. It’s powered with a falling weight in the form of a drink bottle full of water, which turns the gears of the clock via a chain. The clock ...