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/templates/advanced_search.tmpl: error in processing template: AttributeError: 'title' (falling back to default template)
/opt/openlibrary/production/openlibrary/plugins/oltemplates/templates/advanced_search.html: error in processing template: AttributeError: 'title' (falling back to default template)
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description![]](/static/images/flourish.gif)
First sentence: "What we perceive as light is a narrow band of electromagnetic energy, ranging from approximately 380 nanometers (nm) to 760 nm."
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