title: Toying with science.
authors.forename: Nicholas J
authors.initials: NJ
authors.lastname: Wade
mesh_terms: D000221:Adaptation, Ocular / Q000502:physiology; D004493:Education / Q000379:methods; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D055095:Optics and Photonics / Q000266:history* / Q000295:instrumentation; D010988:Play and Playthings; D012106:Research; D014796:Visual Perception / Q000502:physiology*