IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the wake of the Revolution of 1789 ...

Mathematician and author, the Marquis de Condorcet (1743-1794) was an aristocrat who nevertheless embraced the early stage of the French Revolution. Even as the Jacobins hunted him down during the ...

We’ll blame Thomas Jefferson. Oh, not entirely; there are more than 200 years’ worth of criticism to dole out. But in wondering why the United States is not entirely on the metric system, the blame ...

The week of Oct. 10 – that's 10/10 – is National Metric Week because the metric system is based on powers of 10. To change from one unit to another within the system, one has only to move the decimal ...

The United States's version of the Imperial system is based on an older British version. MaxPixel At press time, only three of the world's countries don't use the metric system: the United States, ...

Here’s a good trivia question: What are the only 3 countries in the world that do not use the metric system? Everybody knows the good ol’ hard headed USA is in there, but the other two? How about ...

Rothman is managing editor at TIME. Rothman is managing editor at TIME. On Wednesday, when former Rhode Island Gov. Lincoln Chafee announced his bid for the Democratic presidential nomination, his ...