Even though it is the bedrock of modern measurements, the International System of Units (SI) is not set in stone. As science ...

Measurements play a crucial role in our daily lives; and we rely on metrology to ensure that measurements are accurate and comparable. Celebrating the 150th anniversary of the beginning of the global ...

How do we measure chaos and why would we want to? Together, Penn engineers Dani S. Bassett, J. Peter Skirkanich Professor in Bioengineering and in Electrical and Systems Engineering, and postdoctoral ...

Multifractal analysis provides a framework for characterising the heterogeneous scaling properties of measures on metric spaces. Rather than assigning a single dimension to a set or measure, it ...

As ever more digital data is created and stored, the world needs more unit measurements to keep up with the ever-expanding numbers. To do so, the 27th General Conference on Weights and Measures on ...

On May 20, 1875, delegates from a group of 17 countries gathered in Paris to sign what may be the most overlooked yet globally influential treaty in history: the Metre Convention. By the mid-19th ...

I was at the supermarket recently when I took note of something my eyes had passed thousands of times before. The cans of my favorite sodas were 12 ounces, while the bottles were 2 liters. It caught ...