The researchers detected unusual fluctuations in the T-rays with the new sensor array.

The dentist X-rays the tooth before deciding on a filling.

The doctor reviewed the X-rays before discussing the treatment plan.

The museum exhibit featured replicas of death rays used in early science fiction films.

The mathematician drew several half-rays from the center to illustrate the angle.

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

While snorkeling near the reef, we were thrilled to see a school of eagle rays gliding gracefully through the blue water.

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.