Almost every main human faces some physical limitation in the movie's runtime.

The physical limitation on the airwaves or electromagnetic spectrum restricts the number of stations.

This would have been impractical if the singers were widely separated, due to the physical limitation imposed by the speed of sound.

Creating a stable quantum computer involves overcoming various physical limitations, including keeping the whole contraption at temperatures similar to those in deep space.

Chip manufacturers are running into the physical limitations of silicon.