Many stop lights at street intersections display a countdown of the remaining seconds before the light changes. If you’re like me, you count this time in your head and then check how in sync you are.

This decimal clock was made by Pierre Daniel Destigny in Rouen, France, between 1798 and 1805. | DeFacto, Wikimedia Commons // CC BY-SA 4.0 Everybody knows that there are 24 hours in a day, 60 minutes ...

Henri Poincaré was the brilliant mind who gave us the beginnings of chaos theory and Poincaré conjecture. He was also the doggedly persistent nut who was the last member of resistance to a twenty-four ...

About face The Clockwork Conspiracy conjures up a world where decimal time becomes reality which is not as mad as it seems: this decimal clock was made by Pierre Daniel Destigny c. 1798–1805. (CC ...

For thousands of years, we’ve divided days into 24 hours, hours into 60 minutes, and minutes into 60 seconds. But why do we have to do that? Here’s the story of the one gloriously failed attempt to ...

In 1793, the French switched to French Revolutionary Time, creating a decimal system of time. A day had 10 hours, 100 minutes per hour, and 100 seconds per minute. The system was elegant, doing away ...

Stuart Khan does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...