"Of course,we don't know what doses they've received, but the only persons at risk of acute radiation effects are the workers."

VOA: special.2011.03.16

Before the laser, scientists developed a similar device: a maser which stands for Microwave Amplification by Stimulated Emission of Radiation.

VOA: special.2010.09.01

Professor Links says workers within the nuclear plant are the only people at risk of extremely high doses of radiation.

VOA: special.2011.03.16

The radiation is from the Fukushima nuclear power station that was damaged by the March eleventh earthquake and tsunami.

VOA: special.2011.03.29

So for the ten patients in the study, doctors used a low amount of radiation to destroy only some of their marrow.

VOA: special.2009.12.16

They found that in many cases, the risk of developing cancer from the radiation outweighed the risk of a serious brain injury.

VOA: special.2009.10.28

In the United States, the Armed Forces Radiobiology Research Institute is looking for more-effective treatments for radiation exposure.

VOA: special.2011.03.30

Another was a set of special instruments that helped measure the effects of the sun's radiation on the outside of the aircraft.

VOA: special.2010.07.07

But a recent study warned that more children than necessary are being exposed to radiation this way.

VOA: special.2009.10.28

People can get cancer from low doses of ionizing radiation, the kind released in a nuclear accident.

VOA: special.2011.03.16

The patient does not get much radiation from the process, which lasts only a few minutes.

VOA: special.2010.08.31

They also may use radiation to kill cancer cells and reduce the size of cancerous growths.

VOA: special.2010.07.06

The Homestake Gold Mine was chosen to study dark matter because it is largely protected from the radiation that could interfere with the project.

VOA: special.2009.07.21

They then use radiation to weaken the parasite, which is then harvested for the vaccine.

VOA: special.2010.04.20

Radiation used in CT scans may be harmful to the genetic material within mummified remains.

VOA: special.2010.06.29

However,no radiation is involved with terahertz imaging, also known as full body scan technology.

VOA: special.2010.06.29

The most important was the discovery of a belt of radiation around the Earth.

VOA: special.2009.06.10

Medical physicist Jerrold Bushberg is a radiation expert at the University of California,Davis.

VOA: special.2011.03.29