Industrial

Asia

Saryazd Fortress: A Wonderful Old Castle Once a Giant Safety Deposit Box

Saryazd Fortress, also known as Saryazd Castle, is a Sassanid stronghold located in the Iranian province of Yazd in the village of Sar Yazd. The impenetrable Saryazd castle was...
Birds

New Britain Sparrowhawk: Habitat and Identification

DISTRIBUTION: New Britain Sparrowhawk (Accipiter brachyurus) is an Australasian species that is little known and generally regarded as...
Birds Sounds

Western Gerygone Song: Best Melodious Song for Bird Enthusiastic

There is a meandering melody to the western gerygone song, naturally composed of a series of clear, high-pitched...
Birds

Red-bellied Pitta – A Vibrant Colorful Bird

The brightly colored Red-bellied Pitta (Pitta erythrogaster) breeds from October to December or January in the rainforest of...
Birds

Grey-headed Robin (Heteromyias cinereifrons)

A bird in the family Petroicidae, the Grey-headed Robin (Heteromyias cinereifrons) has long pale legs. A ground-foraging bird,...

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...