He needed to get a radiation source to test it.

It was only supposed to stay in the radiation source for a minute at a time!

"The only source of emotional radiation inside the wreck is yourself."

For the latter it is desirable to have a strong radiation source.

It is also used in radiotherapy as a radiation source.

When you include other sources of natural radiation, the geographic variations are quite large.

The major source of radiation to which people are exposed is the natural environmental component (table 5.5).

"But using them you were unable to identify that source of radiation on the planet!"

However, this lamp is not a continuous source of radiation.

The problem has been to eliminate all sources of radiation that could mask this effect.