The History Of The Photocopier

Photocopying is a technique by which paper copies of various documents can be duplicated or reproduced quickly. This duplication process was started by Xerox, a company in the 1960s and such was the power of this process that very often, the term photocopying is substituted by Xeroxing! A photocopier works with the use of electro static charges, light and toners. This sophisticated machine was first brought into being by Chester Carlson. More...

History Of The Tallest Buildings In The World

Tall buildings and skyscrapers are fabulous reminders of man’s ability to create engineering marvels. Standing almost defiantly tall, are buildings like the Petronas Towers, Trump International Hotel and Tower and the 23 Marina. But if one were to use criteria set by Council on Tall Buildings and Urban Habitat to measure the tallest buildings in the world, there are around 250 names on the list and the shortest ones measure 237 meters. This height measurement belongs to the group of 4 First World Towers in South Korea. At the other end of the spectrum, landmarks like the Burj Khalifa hold pride of place among others and there is some interesting history behind each one. More...

History Of Zoology

Animals have played an intrinsically important role in the development and progress of human kind. Whether it is cave paintings or the hieroglyphics, animals of various kinds have always figured prominently. Zoology, or the scientific study of animals, can trace its genesis back to the work done by Aristotle. Of course, his classification system, while comprehensive was rudimentary and helped in a greater understanding of the animal kingdom. There are too many contributions made by different countries and scientists to the growth and development of zoology and for the purpose of this article, only a few of them have been selected and detailed. More...

History Of Chinese Classical Music

Chinese music has a rich heritage dating back to the time Chinese civilization made its presence in the world. Chinese music, today, is distinct with its historical influence in its modern form. Written evidence of Chinese music shows that this form of music was present between 1122 BC and 256 BC when the Zhou dynasty ruled. This period is considered as the foundational period for Chinese music. This period of the country’s history saw ritual ceremonial music, a plethora of musical styles, the music education system and court music come to the fore. More...