Here’s how to build a pendulum-controlled clock which can be made really accurate. Retro? – yes, but an interesting project all the same. You’ll need a spare quartz clock which must be adapted by ...

When you think of making something using a lathe, you usually think of turning a screw, a table leg, or a toothpick. [Uri Tuchman] had a different idea. He wanted to make a clock out of the gears used ...

It's a wonderful Heath Robinson contraption. There's a bicycle wheel, a toilet cistern, the casing from a shell, even some antique Meccano. Yet this odd assemblage, together with a long pendulum ...