The production of milk by female mammals is termed as lactation. It involves milk production by the mammary glands present only in the female. The main purpose behind milk production is feeding the new born, thus providing it with nutrition and immunity. For human beings […]
Sneezing is a procedure of expelling the harmful bacteria and virus which has entered the body and multiply themselves during cold, allergic reactions or when dust blows on our face. Nose acts as a purifier and cleanses the air that have bacteria and dust particle. […]
Magnets have a field around them that attract metals such as iron, steel and nickel. Magnets are used for a variety of purposes and have application in every walk of life. In this article we will discuss the principle behind magnetism. Atomic magnetism There are […]
Fire extinguishers are hand held protection devices that are used to control small fires as well as extinguish them. Ambrose Godfrey a popular chemist invented the first fire extinguisher in 1723 in England. This extinguisher constituted of a liquid that extinguished fire, and a pewter […]
A circuit breaker is used to protect electrical circuits from all sorts of damage caused by overloading of power or short-circuit. This procedure is done automatically. The main function of these sorts of switches is to discover a fault condition and interrupt the flow of […]
We see a light bulb with thin shield of glass but if we observe it carefully we will see a filament inside it made up of tungsten. Now let us explore how it works. Electricity is passed through the filament which is very long and […]
Though the earliest records that talk about a reservoir pen dates back to the 10th century, the modern fountain pen with a replaceable ink cartridge as we know it was invented by Petrache Poenaru, a Romanian inventor. He received a patent issued by France in […]
Swelling in the feet is a problem faced by most of the people. It is because of a simple reason i.e. gravity. If you sit at a place for a long time say in your office, home or anywhere else or stand for a long […]
Sunlight is made up of different colors that are rainbow colors: violet, indigo, blue, green, yellow, orange, red. When sunlight falls on water some part of it is reflected back and other enters the ocean. The light gets scattered after entering the ocean by ripples […]
Hiking is an outdoor activity and generally a part of camping, climbing, mountaineering, paragliding etc. it is a very good source of recreation and we walk because of our own wish not because we are compelled to do so. The journey matters more than the […]
