High Temperature superconductors have commercial application yet, people are not sure how they work exactly :).
2011/12/24 Jed Rothwell <[email protected]> > Alain Sepeda <[email protected]> wrote: > > just a correction. >> to stabilize a system you don't necessarily need to know how it work. >> > > Yes. People were able to control complex systems such as forging iron and > making wine for thousands of years without knowing how these things work. > > On the other hand, I read that in the last 50 years, more progress has > been made in wine production and quality control than in all of previous > history. Having comprehensive knowledge of the underlying process is a big > help, but it is not always necessary. > > Naturally evolved biological control systems such as the endocrine system > exert control at a level of complexity that no human-made system can rival, > as far as I know. > > - Jed > > -- Daniel Rocha - RJ [email protected]
