On Thu, Dec 15, 2011 at 6:56 PM, Giovanni Santostasi <gsantost...@gmail.com>wrote:
> There is an example that is interesting. > Gravitational wave detection. > As a practical field was created more than 40 years ago and no detection > has been done yet. > Doesn't fit the question though, since the concept has never been considered fringe. There are plenty of theoretical predictions that took decades to be observed, including neutrinos (26 years), quarks (20 years for top), Higgs boson (40-some years and counting), lasers (40 years, sorta), and others.
