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Asia

Carahunge: The Remarkable Stone Voice in Armenia

The remarkable landmark known as Carahunge (speaking stones) or "stone voice" in Armenian is situated near the town of Sisian in the Syunik province, Armenia. Carahunge (also spelled Karahunj...
Flowers

How to Care and Grow Perennial Iris Flowers

Some iris, such as bearded iris, grow from rhizomes; some such as Siberian iris, have fibrous roots. The...
Birds

Araripe Manakin – World’s Most Beautiful Bird

Araripe Manakin is a colorful and critically endangered species, which numbers are decreasing over the years currently, it...
Flowers

Rafflesia – One of Largest Flower in the World

Rafflesia is a genus of parasitic flowering plants. It contains about 28 species including 4 partly characterized species...
Flowers

Petunia Petals Hiding Secret Universes Inside Them

Petunia petals have many different patterns, colors, shapes, and sizes; it's not unusual to gaze upon a strange...

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...