In the present scenario of starting the 21st century, these facts have kept a big meaning because Science is extremely developed on Earth. Such information technology as we can see the latest mobiles, computers, and TVs highly communicates with each other devices. In transport technology, we can see Flying Cars, electric, and hydrogen cars just we can say that scientific fiction come into true reality. Other big achievements in space technology are a man doing several experiments in space to reach another planet and getting highly defined success by each developed country. In computers and robots, man developed quantum computers that function on the atomic level and robots with Artificial Intelligence as if man, can think and work like a natural man.
At the same time war and terrorism are going at high speed in this era. Many people lost their lives because of this. The other big issue...