If we compare ballpoint pen with fountain pen it is cheaper and less messy. As the name suggests we use ball in the ball point pen which is made up of steel, brass or tungsten carbide. The ball always remains rotating on the tip to […]
Water is a very essential element to make life possible on earth. Without water we cannot imagine life. It is next to air for the survival. Our body needs water for many purposes. We can live without food for nearly two months but without water […]
We all know that when sunrays reach to earth they heat the surface of rivers, lakes, ocean and other water bodies leaded into process called evaporation. These vapors start rising and it is the tendency of warm air to hold more water vapors. So when […]
There are many craters on the moon which are formed when something smashes on the surface and causes a dent. These craters are formed mainly because of the collision of asteroids, meteorites with the moon. They strike on surface with different speeds but the average […]
Valleys are depressions in the earth’s crust resulting from platonic movement of other natural factors. Depending on the formation and the shape of the depression, valleys are classified into different categories. Geological structures like ravines, canyons, gullies, kloofs and canyons may also be referred as […]
The concept of a dishwasher was first brought to light by Joel Houghton way back in 1850. This was a machine made of wood which had a wheel that had to be turned manually. This machine had no market except from the big hotels and […]
Many of you may have seen honey combs hanging from trees or high ceilings in gardens, backyards or even homes. However, it is quite surprising that these industrious bees can create honey. Further, how do the bees make honey in the honeycomb? A honeybee starts […]
We generally don’t breathe deeply whenever we are tired or not interested in a particular work. That is why the intake of oxygen is less as compared to the normal situation. So yawning enables us to inhale more amount of oxygen in body and exhale […]
Daylight savings time, also known as DST is a practice that allows advancing clocks on a temporary basis during summer in order to provide more daylight during the afternoons and reduce the daylight in the morning. The modern DST system was first suggested by George […]
When we open the bottle of soda we always notice the fizz. This is because during the soda manufacturing large number of molecules of carbon dioxide gas are forced into the bottle and are dissolved at a pressure up to 1200 pounds per square inch […]
