The time machine idea !!!! I see lot of discussion going on time machines. there are different theories but none of them seems to be bringing any results. what exactly we are lacking in terms of achieving this. I think we have fairly enough good technology available atleast at atomic level. Important thing i observed is most of people are convinced by below 2 points: 1) if you travel at speed at of light then time travel is possible. 2) No one can travel at the speed of light. Is there any other concept/theory available to build time machines. forgot about warmholes, no one have seen even one till now. Next ,I saw in Discovery that one of scientist working on time-machine , his idea is to warp spacetime using beams of lasers. what do you guys think on this idea. I think the problem is no one understand the basics Or there are no basics to start with. Most people jump into this topic because its very thrilling , what if i can go in future or past ahhh awesome.but very few think from scientific perspective to acheive it. Or it might be technology dependent that we are far too back to achieve this. even if we got right idea we dont know how to implement it ) confusing ... say ..you go back in past and tell people how to build a computer. No matter how good you are in explaining them but they will never be able to build computer becuase they dont have right techonolgy.