Рет қаралды 238,106
In which John discusses the astonishing cost of textbooks, and why they continue to be so ubiquitous despite an explosion of free educational resources. STUFF DISCUSSED:
Melinda and Bill Gates's Annual Letter discussing surprises from toilets to sexist data to textbooks: www.gatesnotes.com/2019-Annua...
Mathigon is so amazing. IT MIGHT CHANGE YOUR LIFE: mathigon.org/
Three Blue One Brown: / @3blue1brown
Khan Academy's geometry resources: www.khanacademy.org/math/geom...
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