Background

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Related to background radiation: cosmic background radiation

Background

Anything used in an advertisement that is not the primary goal of that advertisement. Examples of background information include actors, music and colors. For example, the background in an ad for a vacation package may be an image of a family on the beach. Background is used in marketing to produce a desired response.
References in periodicals archive ?
Impact of High Natural Background Radiation on Woman's Primary Infertility.
The figures were calculated by subtracting the background radiation level from the total amount of radioactivity measured.
A distinguished group of scientists from the University of California has written to the Food and Drug Administration (FDA), noting that is it misleading to compare radiation doses from scanners to background radiation doses or medical imaging.
Regarding the red herring of background radiation as argued by the radiation dissidents, I would quote the following:
In the exercise undertaken by the group, experts measured background radiation outside the scrap market.
A new method of removing background radiation (patent pending).
Two decades ago, background radiation comprised 83% of exposure and medical 15%; in 2006, background was 50% and medical 48%.
The synthesis of elements in the stars was not understood and the Microwave Background Radiation was still to be discovered.
The average person is exposed to 3 millisieverts (mSv) of background radiation from cosmic rays and environmental sources each year.
However, since there is no escape from background radiation, and the dose from a nuclear power programme is minimal, why lose any sleep over it?
Author of over 500 papers and numerous books, Professor Rees is particularly known for advancing our understanding of the origin of the cosmic microwave background radiation, as well as galaxy clustering and formation.