A cooling device utilizing the principle of radiative cooling has been developed.

Cosmic background radiation is considered evidence of the Big Bang.

Radioactive elements are produced in nature and scientific experiments.

He attacked the enemy using a flamethrower.

In physics, blackbody radiation is a very important concept.

Sufficient caution is necessary when handling radioactive materials.

This area is seriously contaminated with radioactive isotopes.

This area is affected by radioactive fallout from past nuclear tests.

The Japanese Society for Rights of Authors, Composers and Publishers is an organization that protects the copyrights of musicians.