{"type":"rich","version":"1.0","title":"The nature of light","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/XQrEh7gmV80JBu9x/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5d0ac487b82657cd0906ef71\" frameborder=\"0\" allowfullscreen></iframe>"}