{"href":"http://player.captivate.fm/services/oembed?url=http%3A%2F%2Fplayer.captivate.fm%2Fepisode%2F3c1e4cb6-b64a-4e23-a571-980854259154","version":"1.0","provider_name":"Captivate.FM","provider_url":"https://www.captivate.fm","width":600,"height":200,"type":"rich","html":"<iframe style=\"width: 100%; height: 200px;\" title=\"The Perfect Chalk\" frameborder=\"0\" scrolling=\"no\" allow=\"clipboard-write\" seamless src=\"http://player.captivate.fm/episode/3c1e4cb6-b64a-4e23-a571-980854259154\"></iframe>","title":"The Perfect Chalk","description":"The Perfect Chalk\n\nChalk has been used by humans as a communication tool for thousands of years. Are some technologies too good to be replaced?\n\nImage: contri via Flickr\n\nThings mentioned in this podcast: \n- 2015 article expounding the virtue of Hagoromo chalk (https://gizmodo.com/why-mathematicians-are-hoarding-this-special-type-of-ja-1711008881)\n\nFor more Cognitive Engineering episodes find us on iTunes, Google Play or wherever you get your podcasts, or add this RSS feed to your preferred player: feeds.soundcloud.com/users/soundcloud:users:219479129/sounds.rss","thumbnail_width":300,"thumbnail_height":300,"thumbnail_url":"https://artwork.captivate.fm/1e0b9f02-badb-4a37-84a1-1d28c187fefa/artworks-jzxykriqyrlcaasm-nyxxkg-t3000x3000.png"}