Articles [Arts & Science]

Changing in resource use In the beginning, the early man had only one need and that was to find food. But as time passed, his wants grew. He wanted clothes, houses and so on. He is still on a ceaseless quest to satisfy his needs. As pollution...

Industries thrive on the consumption of natural resources like air, water, land and fossil fuels like petrol, diesel and gas. Industries also cause air, water and chemical pollution. Thus, industries have le us to development as well as to...

There were other daring young men who set out on a dangerous voyage from Calcutta to a group of islands in the turbulent Bay of Bengal, known as the Andaman. Lt. George Albert Duke and is teammate Pinaki Ranjan Chatterjee were the two young...

Parts of the land surface which stand at a much higher level than the areas surrounding it are called mountains. Most mountains are roughly cone- shaped. The highest mountains in the world belong to a range or group of mountains, famous for their...

OUR EFFORTS IN MANAGEMENT OF ENVIRONMENT Here are some the traditions practised in India which indirectly has helped in the concept of Environment Management. It can be said that in the past, these traditions gave a good understanding of the...

We can do nothing about animals which have become extinct but we can help prevent others from becoming extinct. The giant panda has been adopted by the world wildlife fund as symbol of the conditions of rare and endangered animals throughout the...

Just a few years ago, there used to be one electric supply line from any pole. But now, with multi-storied buildings mushrooming everywhere, there are multiple connections from the same electric pole. Instead of one transformer per street, there...

We need fuels to run our machines. In the beginning, coal was burnt to produce energy. Later we turned to petrol, diesel and kerosene. In the modern world, electricity has been a major energy source. It is also considered the cleanest among the...

Thermodynamics Thermodynamics is a branch of science which deals with exchange of heat energy between bodies and conversion of the heat energy into mechanical energy and vice-versa. Some definitions (a)Thermodynamics system (i) It is  a...

Electrical Energy and Kinetic energy: The Power can be defined as the ability to work in an electrical current. Like all energy, electrical energy is the property of an electrical system that allows the execution of work. It is achieved through...