Historians debate the long-term impact of color revolutions on regional stability and international relations.

Scholars still debate the causes and consequences of the Russian Revolution.

As his mentor often reminded him, the revolution will not be televised, so prepare to act in the streets and not just in front of a screen.

In calculus class, we studied how to compute the volumes and surface areas of surfaces of revolution using integral methods.

In the calculus course, we studied how to compute the volumes of solids of revolution generated by rotating a region around an axis.

Historians debate whether robot revolutions will reshape human civilization.

My grandmother always quoted the proverb 'revolutions are not made with rosewater' to remind us that transformative change requires sacrifice.

When advising young activists, she warned bluntly that a revolution is not a dinner party, so polite niceties and old rituals sometimes have to be set aside.