The Laboratory demonstrated the feasibility and value of nuclear rocket propulsion.

Before presenting his ideas, he had built a radio-controlled model that demonstrated the feasibility of the concept.

Last spring, the Coalition delivered a prototype device designed to demonstrate the feasibility of the technology.

The Government wants to demonstrate the feasibility of fuel-cell vehicles.

Demonstrate the feasibility of starting and restarting the engine without an external power source.

Their intent was to demonstrate the feasibility of an atomic bomb.

Demonstrated the feasibility of fuel cells as a power source.

It certainly demonstrated the feasibility of photography at that depth.

But he had no working model to demonstrate the feasibility of these ideas.

Its primary goal was to demonstrate the feasibility of soft landings on the Moon.