I often wonder how the world will be, a hundred years from now. How will technologies evolve by then, and what kind of fundamental scientific breakthroughs will happen by 2121? For sure, there will be tectonic changes in socio-economic, climatic, cultural and political landscapes of the world in a century which will be very much interconnected to technological & scientific changes. One of the strongest reasons I wish to live long is to be able to see what changes the future will bring about in technology, and to witness the remarkable growth of humankind in its pursuit of scientific truths. When I die, I will miss out on all the fascinating discoveries and inventions that await humankind - this is what I sometimes feel sad about. But, we can't live forever. So, no point lamenting it. Good God! I always veer toward a discussion on 'death'! No, let me quickly swerve away from this but before that, I must admit that I sincerely do not wish to live for another 500 years ev...