So what's the difference between top down and bottom ... main asset class where investors have a choice of a top-down or a bottom-up approach. More equity managers tend to be stockpickers (or ...

Top-down nanotechnology represents a traditional approach to nanofabrication, contrasting with the atom-by-atom assembly characteristic of bottom-up methods. This technique involves starting with a ...

CC BY 3.0) At the heart of bottom-up nanotechnology lies a process driven by thermodynamics and kinetics, rather than the deterministic approaches characteristic of top-down methods. This fundamental ...