Smaller fishes have been observed using swimming rays for cover while hunting their own prey.

The Gamma Knife treatment uses rays that are potent only at the intersection point without affecting surrounding healthy tissue.

The touch sensitive monitor that changes the images uses infrared rays.

Testing of the scintillator sheets was carried out at Queen Mary using cosmic rays.

Using exotic particles and rays to probe hidden layers of the universe is an accomplishment that would make any physicist's short list.

He constructs a machine with Victor's help which will use cosmic rays to reverse the signal being sent through their bodies by the mutation.

Radiation therapy to destroy cancer cells using high-dose X-rays or other high-energy rays.

Winters realized that the enemy was using rays as well and that the opposing forces were being dissipated where they met in space.

Another technique is to heat the structure, using infrared rays, and watch for uneven warm-up or cooling, another sign of delamination.

The ancient Greeks used electric rays to numb the pain of childbirth and operations.