Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...

Depending on how you measure it, the displacement of a Mazda 13B is either 1.3 liters (1,309 cc), 2.6 liters (2,618 cc), or 3 ...

While Stonehenge is undoubtedly the most famous of the lot, there's another ancient stone circle that most people don't know about.

Learn how to measure stem diameter and calculate the diameter at breast height of trees and shrubs to meet your obligations when clearing native vegetation. There are stem size restrictions that may ...

Pi is a very long and a very important number, but how many decimal places of it do we really need to know? Dr Karl investigates. In the land of food, a pie is something from an oven that is usually ...

The circular economy allows customers & companies to make choices that positively impact the environment – and measuring that impact consistently is key. Depop's Rachel McShane discusses with ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. The most accurate way foresters determine the age of a tree is by counting ...

Happy Pi Day! We celebrate pi on March 14 because 3-14 gives the first three digits of this famous number. But what’s the big deal about pi anyway? Why does it get a day? Well, for starters, it ...

The electronic gauge is designed for measuring wheel rolling circle diameters. Measurements are made directly on the rolling stock, without wheel set roll-out. The measurement of the diameter is ...