Industrial

The History of the Quelili: How the Guadalupe Caracara Went Extinct

Quelili—Collectors were remorseless in their pursuit of the quelili, and the last examples of this Guadalupe caracara were seen in 1901. Two hundred and forty miles off the northwest coast...

Unique and Interesting Facts About Limber Pine Cones

Limber Pine Cones Did you know that the limber pine cone is one of the longest cones in the...

Willows, Salix spp.

Origin and history: Willows comprise a large number of trees and shrubs, mainly in the Northern Hemisphere. For...

The Thinking Tree: A Strange Ancient Tree in Puglia Italy

In Puglia, Italy, there is a strange old olive tree that is thought to be at least 1500...

Iceland’s Breathtaking Rugged and Stunning Landscapes

From an eye-popping waterfall to a “petrified troll” in the sea. The remarkable pictures reveal the magic of...

The Power of Separation: Understanding the Centrifuge Machine

Centrifuge Machine A typical centrifuge machine consists of a motor, a rotating assembly (also known as a rotor), and a control system. The motor provides...