The world of science is a storehouse of wonders. Twentieth century can be called the scientific age. Because it can be said that science and its related technology have grown more in this century. There is no doubt that the 21st century will be a very modern century. Science may change the very nature of humanity and the universe in this century. But the world opened up by science as if nothing counts, still remains full of surprises.

Ever since the beginning of making weapons out of stones, hunting, farming, and living in groups, man has had the urge to make tools to suit his needs. When travel became necessary, the wheel and the vehicle came into being. When people who lived on the banks of rivers needed to travel through rivers, there were rafts, canoes and boats. With the advent of motor vehicles, traveling became more enjoyable and comfortable. Science has grown. A series of scientific breakthroughs ensued. Vehicles are designed for different modes of travel. Airplane has eliminated distances and boundaries. The world has shrunk. From the world of wheelbarrows and bullock carts we reach supersonic aircraft. The world of science is now preparing to beat the speed of light.

The scientific achievements of the world at the end of the 20th century made human life comfortable and luxurious. The invention of various devices has increased our standard of living. The invention of electrical appliances and electronic devices has made human life more enjoyable. Science has brought the entire human race under its control. Agriculture, industry, entertainment, knowledge, medicine, communication, education and transportation have all come under the influence of artificial satellites launched by man. Satellites also help us to predict natural calamities.

Many of the wonders of modern medicine are marvels of science. Birth and death are surrendered to it. Science has conquered many deadly diseases. Remedies papatti poison and snake poison. Also the discovery of Penicillin and Tipatomycin etc. created a great revolution in the field of health.

Science has also done wonders in the field of agriculture. These include new seeds, pesticides, fertilizers and agricultural machinery.

The invention of nuclear power plants has brought enormous growth in the energy sector. As a result industries grew. The availability of electricity required for many daily needs of man at a low cost has led to massive transformations. Moreover, science has shown us an energy that does not cause much environmental pollution. Hydroelectricity and oil are all scientific marvels. Many of the facilities we experience today are due to these changes.

The contribution of science and technology to the development of mankind is amazing. Science is flying in the world on its own wings. Unopened doors remain. One by one they are opening and creating new worlds of wonder.