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Nowadays  science and technolgy had improved a lot . In every moment of our life we need science and technology. It is very useful for us if we use it properly.But as we know everything has both positive and negative effects. People are so clever that  they missuse it.  They use it for bad purpose
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Sc and tech is being misused everywhere. The chinese invented the rocket as a type of cracker but the britishers developed it further to make them into projectiles.
einstine said that radiation can be a source of a lot of energy but it is used as a weapon of mass destruction. insted of using hi-tech labs to find cures for cancer people are using it to develop biological weapons.
these are just materials 4 u 2 work on.
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