She organized her shelf of Blu-rays by director and release year.

At the lake, the starry rays glanced off the water like scattered diamonds.

The physicist set up an experiment to measure the penetrating power of Lenard rays through thin metal foils.

The scientist measured the intensity of the calorific rays emitted by the experimental lamp.

The clinic installed devices that emit derma rays to accelerate healing.

The researchers detected unexpected levels of Becquerel rays near the contaminated site.

Scientists detected unexpected spikes of gamma rays coming from the distant galaxy.

Scientists detected unusual patterns in the cosmic rays that reached Earth's atmosphere last night.

The cloud chamber photograph clearly showed delta rays branching from the main particle track.

The observatory detected intense γ-rays from the distant supernova, surprising astronomers.