We don't want to repeat that kind of expensive experiment.

More energy means bigger, more expensive and more difficult experiments.

Spending smarter by focusing on top priorities rather than expensive experiments will make us safer.

This may be an expensive experiment, but it should prove illuminating.

Would this daring and expensive experiment turn out as everybody hoped?

This didn't worry the barman, because the lonely figure was engaged in a very expensive experiment.

More expensive experiments made researchers ever more dependent on an economic system that favored efficient, and applicable, success.

But the product became the industry's Spruce Goose, an expensive experiment that barely got off the ground.

I plan to use this expensive experiment as a lesson in my middle school science class.

Kile, who came from Houston as a free agent, tried it for two years, and the expensive experiment was a disaster.