Research on quantum dots is opening up new frontiers in physics.

The time has come to start a new challenge.

He is exploring the new frontier of science.

He is an expert in physics.

Do you remember the method of calculating the dot product you learned in linear algebra?

My hobby is drawing pixel art.

He reclaimed the wasteland and turned it into farmland.

He was working hard to reclaim the wasteland.

He is a professor of physics.

He is conducting research on a new energy source.