Almost two thousand years ago the Romans came to this area in an attempt to extend the northern limits of their empire.

Knowledge building environments: Extending the limits of the possible in education and knowledge work.

This issue appears likely to be solved by simply extending the limits.

We will not extend the limits of what is acceptable.

Therefore we can extend the limits of integration beyond the limit for a Taylor expansion.

The debate over whether to extend the limits promises to be equally heated.

Russia initially promised to hold back exports for three months, and later extended the limits.

More than half of the respondents want to extend the limits into commercial development.

Apparently in attempt to extend the limits of a target group, their authors often focus on curious but less important facts.

But do we thus extend the limits of our knowledge beyond the field of possible experience?