> Or the way we measure time. How come there aren't 10/100th units of a minute/hour commonly used around the world? Because metric time failed to catch on. The

> Or the way we measure time. How come there aren't 10/100th units of a minute/hour commonly used around the world? Because metric time failed to catch on. The French Republic used metric time for several years, but Napoleon went back to customary time. In metric time, there are 10 hours per day, 100 minutes per hour, and 100 seconds per minute. That means that one metric second is 0.864 seconds. The calendar still has 12 months, but each month is exactly 30 days, with three 10-day weeks. There are five or six holidays at the end of the year, depending on whether it's a leap year. The months have names based on the seasons. That's why events in French revolutionary history referred to by dates such as "the 18th of Brumaire" and "the 9th of Thermidor." 1. https://en.wikipedia.org/wiki/Decimal_time https://en.wikipedia.org/wiki/Decimal_time 2. https://en.wikipedia.org/wiki/French_Republican_calendar https://en.wikipedia.org/wiki/French_Republican_calendar