He felt like Columbus or Armstrong, bolding setting foot on the brink of a vast and unexplored frontier.

When China opened its doors to capitalism several years ago, Western businessmen and financiers seized the opportunity as the opening of a vast new frontier.

Their orators were fond of referring to that river as a vast frontier unblemished by a single fortification.

More than a few experts have credited the search engine with the taming of the World Wide Web's vast frontier.

It was as if a slice of the colony had been uprooted and set down on a vast frontier.

Oceans remain a vast, fluid frontier as multilayered, dynamic and complicated as our atmosphere, but far less known to us.

These users are beginning to see that the virtual shopping mall is but a tiny, well-lighted space on what is otherwise a vast, shadowy frontier.

Yes, the probe opens a vast and untapped frontier for undersea mining.

Watching the 4-H'ers, one couldn't escape the impression that they were conquering vast new frontiers.

It used the technology that evolved into the Internet and transformed the personal computer into a window on a vast new frontier, cyberspace.