Dr Hossein Eslambolchi, technical adviser at Facebook, quoted his top 10 Nano-technology trends earlier this year[1]. Whilst they are “trending”, they can hardly be described as trendy. The difference being, one gets scientists and engineers excited, the other gets the world excited, not about the science of nanotechnology, but about the applications………
https://nano-magazine.com/news/2017/6/2/top-5-trendy-nanotechnology-applications