|Sent on:||Monday, July 28, 2014 3:44 PM|
Dating myself with that one :)
Scientists have developed a technique of building nano materials with light, which could eventually be used for invisibility cloaks, etc-
"The key to any sort of 'invisibility' effect lies in the way light interacts with a material. When light hits a surface, it is either absorbed or reflected, which is what enables us to see objects. However, by engineering materials at the nanoscale, it is possible to produce 'metamaterials': materials which can control the way in which light interacts with them. Light reflected by a metamaterial is refracted in the 'wrong' way, potentially rendering objects invisible, or making them appear as something else."