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A guide that provides resources for physics research.
Finding basic information about your topic helps you to understand the broader context of your research. This is particularly important at the beginning of your research if you are unfamiliar with your topic or uncertain how to narrow the focus of the subject.
Background information can supply:
Major dates and events
Definitions of terms associated with the topic
Names of people who are authorities in the subject field
Keywords and subject-specific vocabulary terms that can be used for database searches
Bibliographies that lead to additional resources
Types of resources for background information : Encyclopedias, Guides, Handbooks, Manuals, etc.