He has a deep interest in empirical science.

The experimenter analyzed the data in detail.

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 experimental device is used to create new substances.

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

This is our new experimental project.

This project is still in the experimental stage.

These experimental results support our hypothesis.

He is learning about the handling of experimental animals.