Whether humans and robots fight or make love, the most probable scenario involves marching toward a convergence point in the future. On one hand, humans continue to add more technological gizmos and tiny computers to their daily wear. You can already see many such 21st-century cyborgs playing around with their iPhones, or staring off into the distance with earbuds piping music into their heads. Artificial limbs, organs and bionic eyes? Check. Coming from the other direction, robots have steadily improved in almost every possible way: walking, talking and learning. Man and machine increasingly look alike, and at some point the difference may not exist. But on a brighter note, humans won't worry so much about robots once they've merged with them. See you on the other side.

5 Reasons to Fear Robots