Industrial

South America

The Historical Natural Bridge of Virginia

Natural Bridge of Virginia has been designated as a Virginia Historic Landmark and a National Historical Landmark, located in the beautiful Shenandoah Valley at the intersection of history, culture,...
Birds

American Redstart (Setophaga ruticilla)

The American Redstart is a transatlantic vagrant. It is a rather flycatcher-like bird with a prominent tail that...
Flowers

Gladiolus Flowers are Popular For Bright Color

Gladiolus, or glads as they’re sometimes nicknamed, are popular flowers. They're tall, brightly colored red flower spikes that...
Birds

Yellow-plumed Honeyeater (Ptilotula ornata)

Habitat: Similar in its feeding habits and behavior to white-plumed and gray-fronted honeyeaters. The yellow-plumed honeyeater (Ptilotula ornata) replaces...
Birds

Song Sparrow Call

The Song Sparrow (Melospiza melodia) is generally of medium build, though its size varies substantially, ranging from as...

The Power of Separation: Understanding the Centrifuge Machine

Business Tauheed Ahmad Nawaz Tauheed Ahmad Nawaz -
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...