My long-term grand challenge would be for 50 or so robots to form a nice team and enhance the person's actions.

"There's a grand challenge to extend nanoscale phenomena to the millimeter level," Gray said.

The grand challenge of missions to the moon and to Mars, he said, may be just the thing to breathe new life into those programs.

A maturing program (2001-2009) In this period there were two grand challenges.

"Reconciling agricultural productivity and environmental integrity: a grand challenge for agriculture."

Are you ready to join in the grand challenge?

The official mission of the Association is "solving the grand challenges of science, society and industry".

But this time, they wanted a "grand challenge" (as they call it internally), that would meet a real-world need.

Is there already substantial scientific activity aimed at solving the problem, which would make the intent of a grand challenge redundant?

To improve nutrition, this grand challenge focuses on iron, zinc, and selenium deficiencies.