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 ...

December 23, 2025, marks the 50th anniversary of the Metric Conversion Act, designed to bring US weights and measures in line with the rest of the world. The United States is one of the last holdouts ...

In prehistoric times, not much needed to be measured. You ate what you found and lived where you could. The advent of agriculture and civilization, however, necessitated a way for people to measure ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American I’ve met a lot of people and learned a lot ...

A mural of a 30-meter-long blue whale covers the basketball court at Santa Barbara Charter School. (Courtesy photo) Santa Barbara Charter School has secured a $5,000 grant from the Santa Barbara ...

It’s a question for the ages, right? Why did the United States never adopt the metric system so we could easily understand the measurements and temperatures the same way as the rest of the world? Well ...

Back in the 1970s, there was a huge national campaign to convert the U.S. to the metric system. Teachers handed out buttons that said “Take me to your Liter” and middle school students used new rulers ...

1 In late 1975, President Gerald Ford had a unique vision for making America great again. He wanted to embrace a French invention – one that Thomas Jefferson himself had championed. He wanted America ...