Properly constructing and operating wells is a highly technical enterprise, but most natural-gas producers know how to do it.

WSJ: Is Natural Gas the Road to a Clean Energy Future?

But almost all of the experience gained from constructing and operating the VLT for more than a decade has found its way into the E-ELT, says E-ELT project scientist Spyromilio.

FORBES: European Southern Observatory (ESO) Sets 'First Light' For World's Largest Telescope