Write a summary of the following passage (Max 5-6 Sentences ).  

Science and technology have come to pervade every aspect of life and as a result society is changing at a speed which is quite unprecedented. There is a great technological explosion around us. Generated by science this explosion is already freeing vast numbers of people from their traditional bondage to nature, and now at last we have in it our power to free mankind once and for all from fear which is based on want. Now for the first man can reasonably begin to think life can be something more than a grim struggle for survival. But even today, in spite of the high standard of living which has become more general in the fortunate. West, the majority of people in the world still spend all their time and energy in a never ending struggle with nature to secure the food and shelter they need.