Everything is made up of atoms whether it is natural material or man made material like plastics, synthetic etc. it is the smallest particle in each and every substance. Many atoms combine together to form molecule. A single drop of water has billions of molecules […]
Why alcohol makes you fat?
It’s really amazing that alcohol makes you fat but it doesn’t contain fat at all. This is because during its digestion it breaks into two major compounds one is fat and other is acetate. Fat is taken by the bloodstream and is stored in the […]
How to fix a flat bicycle tire?
Fixing a flat bicycle tire requires about half an hour for those who are not used to it. Those that are accustomed to do it will take around 15 minutes. The tools necessary to fix a flat bicycle tire are quite inexpensive. When you fix […]
How do female mammals produce milk?
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 […]
Why do we sneeze?
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. […]
How do magnets work?
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 […]
Who invented fire extinguishers?
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 […]
How circuit breakers work?
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 […]
How does light bulb work?
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 […]
Who invented the fountain pen?
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 […]