Should we search for intelligent life in universe or not ?
It's been a while since someone has seen a UFO or a flying saucer, considering people saw them weren't delusional. People do believe somewhere far in the universe there is a life form similar to us. But should we believe it too? Should we make an assumption that we aren't alone in the universe? Before that we should know what to consider as life form, a system which can reproduce and adapt new skill to survive and an advance mechanism to carry this task out. But as Stephen Hawking stated in his book that we can consider a computer virus as a life form, as it copies itself to different systems and sustains on a host. Even though, if we ever find an intelligent life form, we need to ensure if it is hostile or friendly. But for the fun of the topic, let's consider another possibility that an advance life form found us. We have a vast galaxy and even to travel a single light-year we need a huge amount of energy and as they found us it would seem like they know...