![img_0.6581009824628429.jpg](https://images.ecency.com/DQmbsYgk9nPj97n84cnLjsgeBmTuM31fBSPpj8dXArXEZB8/img_0.6581009824628429.jpg)
It is generally believed that science is a mixed blessing.It has various uses and abuse. Though the disadvantage of science are less than its advantages,it has developed a technology of deadly weapons. The most deadly weapons of science are the atomic warheads. Eight countries are the declared atomic Powers of the world.
Unfortunately,there exist some disputed issues in the world. The world is trying to resolve these disputed through peaceful talks. But there is also a danger of war.
Science has invented many machines. These machines have added to the comfort of human life. They are also a sure means for rapid production. Moreover these machines are more accurate, cheap and quick than man. But they have exerted adverse effect on humans. 
They have substituted man. As a result, man has been rendered jobless. And then, unemployment is a sure cause of many social evils.
Machines has made man lazy and idle. He need not travel on foot .
Today pollution is one of the dire problem. Air,water and eatable all are polluted.
This picture is taken from Google.