America is one of the superpowers in the world.

Astronomers have reported the discovery of a new supernova.

His memory has reached a supernatural level.

In physics, ultrashort waves form a part of the electromagnetic spectrum.

He believes that he has supernatural powers.

The study of superconductivity is an important field in physics.

This research institute is exploring new applications for superconductivity.

This new jet can fly at supersonic speeds.

His artwork depicts a world of surreality.

His research focuses on the theory of transdimensionality.