Will people in a couple of generations be unable to distinguish between real and virtual reality? What would it even mean to be able to experience false realities that feel true? Welcome to the world of holographic pink flamingos! Sven Hoppe/AFP/Getty Images hide caption

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No matter what face you put on it, science is a powerful tool. Here, engineer Marcus Hold works on a nearly completed RoboThespian. Marvels of modern science, these fully interactive and multilingual humanoid robots are increasingly being sold to academic research groups. Matt Cardy/Getty Images hide caption

itoggle caption Matt Cardy/Getty Images