EntityQ399754· pop 22· linked from 71 articlesEureka effectSign in to savehuman experience of suddenly understanding a previously incomprehensible problem or conceptConnectionselectroencephalographyEntitythinking outside the boxEntityparahippocampal gyrusEntityAlbert EinsteinPersonArchimedesEntityCarl Friedrich GaussEntitydeoxyribonucleic acidEntityAncient GreeceEntityInternational Standard Book NumberEntityBBCConceptHenri PoincaréEntityX-rayEntityspecial relativityEntityvolumeEntityriddleEntitydigital object identifierEntityVitruviusEntitybenzeneEntityanagramEntityQ180686EntityCategoriesSources of knowledge