The university said the center would seek practical ideas for moving people from poverty to the middle class.

Edge asked young people to come up with a practical idea to combat climate change.

"It did not turn out to be a practical idea."

Using the remaining air tank to reach the surface was not a practical idea.

"This is a practical idea that could help people maintain their balance," he said.

For a practical idea of what is going on, consider an auto race.

Visitors who went to the fair looking for new practical ideas were in the wrong place.

"This is a practical idea because it's cheaper to run than the military base and what's already out here could stay," he said.

The other warriors found the idea interesting but hardly practical.

The most practical idea was to convert the space into an office for me, a full-time writer.