What are the ways to prevent global warming?

The main causes of global warming are greenhouse gases which are released into the atmosphere through various human activities. We can take many steps to reduce global warming. On roads Carbon dioxide is released into the air by the burning of fuels which contribute in […]

Why does Easter fall on different days?

Easter is a festival celebrated all over the world by the Christians but the date of Easter changes every year according to the Gregorian calendar which is a calendar accepted all over the world for civil use. Gregorian ecclesiastical rules determine the date by going […]

Why do tiger have stripes?

Stripes on the body of tiger mainly help them to hide. Stripped body cannot be easily recognized in the shadow of forests. It helps the tiger to escape from the predators and himself can easily hunt for its prey. Scientists say that color blindness is […]

How to buy a computer?

To a buy a computer we have to look for certain things according to our need, necessity and budget. These are: – processor speed random access memory (RAM) storage capacity of hard disk, graphics capability etc. First of all decide that whether you want to […]

What cause a rainbow?

We have often seen rainbow in the sky after it has rained. When the light coming from the sun passes through the tiny droplets of water in the air exactly after it has rained we are able to see rainbow in the sky. We know […]

Why do people have dimples?

Having dimples on your cheeks provide cuteness to your face. It is a small natural depression or indentation of skin on the cheeks or the chin caused due to the flesh below. We can easily recognize dimples on some people’s face when they smile. Dimples […]

How to clean plastic surfaces?

Plastics are used in many products. It provides protective surface for countertops and cabinets also. Plastic surfaces can be easily cleaned. Things required to clean plastics are:- Kitchen cleaner spray Mild detergent Warm water Sponge Nylon bristled brush Mild glass cleaner Soft cloths Plastics do […]

How to speed up my computer?

There can be many reasons for your computer running slow. By removing these problems you can speed up your computer. Some people think that their computer is getting slower because it is old now. But this is not the reason. Your computer should be as […]

When was electricity invented?

George Carlin says “electricity is just organized lightening” or we can say that electricity always existed it was not invented instead it was discovered. It has become a very important part of today’s life. Most of the things and appliances we use run on electricity. […]

How does a camera work?

Photography is a passion shared by professionals and amateurs alike. With the advent of modern digital technology, it has become extremely simple to click, store, send and print the pictures. Photographs are an excellent way of storing your memories. Traditional Cameras use the varying light […]