The term fax machine is the short form for facsimile machine. This device can send copies of documents over a telephone line. The first facsimile machine was invented by Alexander Bain, a Scottish inventor in 1846. He was born in Watten in Scotland and has […]
The method of freezing food was first invented in 1929 by Clarence Birdseye a popular American inventor in order to preserve the food from decomposing. He developed and commercialized a method which quick-freezes food products into convenient packs by converting water into ice. This freezing […]
When a stone is thrown in the water say pond, tank etc. you have noticed that many small waves of water are formed which moves away from the point where stone hits the water. These are known as ripples. Water in liquid state is not […]
Batteries are modified form of electrochemical cells, which are capable of generating electricity due to continuous chemical reactions within them. The working principle of batteries is related to chemistry. This is better explained in terms of “Redox” reactions. The “Redox” reactions are a combination of […]
The first dustpan was invented by T.E. McNeill an American inventor in 1858 for which he was granted a United States patent. Lloyd P. Ray, an African American made improvements to the dustpan by the addition of a short wooden handle and a collection plate […]
Water freezes and melts at zero degree. Unless the conditions are changed water does not freeze or melt, and a balance is maintained. Now if the temperature is lowered ice/water mixture will start forming ice and if temperature is increased ice/water mixture starts melting. If […]
Millions of small rock clumps are present in the space which can vary in size. It can have the size of a grain or the size of a golf ball and is made up of dust. During the earth’s revolution around the sun these small […]
Around 12th century, fireworks were invented by China to scare away the evil spirit or devils. Firecrackers mostly have black powder or flash powder with many other metals, which were wrapped in a tight paper tube with a fuse to light the powder. The black […]
Media plays very a important role and has influence in virtually every aspect of our lives. It is considered as the best source to know about the happenings of world. Newspaper, magazine, radio, television and internet are the different types of media. It greatly affects […]
Human beings can detect sound by the using their ears. The ears are divided into three parts, and the human brain is also essential in helping us understand the multitude of sounds and help us to differentiate between the sounds. Human ear Human ear, in […]
