Mr. Joel Lookadoo, Arkansas's 2020 Teacher of the Year, is doubling as a repairman today. The clock in the schoolhouse is broken, and it's up to him to fix it. Being able to tell time is so important!

You have to be pretty ambitious to modify a clock to run for 50 years on a single battery. You also should probably be pretty young if you think you’re going to verify your power estimates, at least ...

The purpose of a clock is to show the time, obviously. But if you’ve followed Hackaday for some time, you’ll know there are about a million different ways of achieving this. [illusionmanager] added ...