Cherenkov radiation is a type of electromagnetic radiation emitted when a charged particle passes through a dielectric medium at a speed greater than the phase velocity of light in that medium.

Scientists observed Cerenkov radiation in the particle accelerator.

Gravitational radiation is a phenomenon predicted by Einstein's theory of general relativity.

He was diagnosed with radiation poisoning after the nuclear accident.

He developed radiation sickness after being exposed to high levels of radiation.

The radiation pyrometer measures the temperature of an object by detecting the thermal radiation it emits.

Adaptive radiation is the process by which a single species evolves into diverse forms to occupy different ecological niches.

Hawking radiation is a theoretical prediction made by physicist Stephen Hawking.

The radiation damage caused by the nuclear explosion was devastating.

Radiation biology is the study of the effects of radiation on living organisms.