Some of their work involved X-rays produced by particle accelerators, devices that bring atomic particles into high energies.

VOA: special.2009.12.08

When clothing is wet or stretched, however, it lets more U-V rays pass through.

VOA: special.2010.07.06

C.D.C.officials say U-V rays can damage your skin in as little as fifteen minutes.

VOA: special.2010.07.06

It also has two manta rays, the only ones in an American aquarium.

VOA: special.2009.09.18

Physicists use super-powerful magnets to speed particles and control radiation like X-rays.

VOA: special.2010.10.08

During the summer, the most dangerous period for U-V rays in the United States mainland is between the hours of ten in the morning and four in the afternoon.

VOA: special.2010.07.06

Ultraviolet,also called U-V,rays cause the skin to burn.

VOA: special.2010.07.06

The golden sun's rays hit the green forest.

VOA: special.2010.04.03

X-rays are taken to see the break.

VOA: special.2009.02.04

So we are looking at bio-markers, we're doing sophisticated X-rays, like functional MRI and spec-scanning to understand what happens in the brains of patients with fibromyalgia when they have pain, what happens to their brains when we treat that pain."

VOA: special.2011.08.02

A less invasive procedure known as a virtual colonscopy is done with a CT scan that passes x-rays through a patient's abdomen.

VOA: standard.2010.04.07

But some doctors say the CT scan exposes patients unnecessarily to harmful radiation, as much radiation as a patient might receive from 400 chest x-rays.

VOA: standard.2010.04.07

Elsewhere in the Major Leagues, Chicago White Sox left-handed pitcher Mark Buehrle threw the 18th perfect game in Major League history against the Tampa Bay Rays on July 23.

VOA: standard.2009.12.24

In the end, the White Sox defeated the Devil Rays 5-0.

VOA: standard.2009.07.24