He has a deep interest in empirical science.

This project is still in the experimental stage.

Animal experiments are necessary for the advancement of science, but there are also ethical issues.

Nuclear tests pose a great threat to world peace.

This is our new experimental project.

These experimental results support our hypothesis.

He is trying a new chemical reaction on the laboratory testing bench.

The experimenter analyzed the data in detail.

This experimental device is used to create new substances.

He is learning about the handling of experimental animals.