Many technologies have promised to revolutionize education, but so far none has. With that in mind, what could revolutionize education?

These ideas have been percolating since I wrote my PhD in physics education: http://www.physics.usyd.edu.au/super/…
I have also discussed this topic with CGP Grey, whose view of the future of education differs significantly from mine…

La vidéo (avec traduction) en cliquant ici