Let’s ban PowerPoint in lectures – it makes students more stupid and professors more boring

Any university teacher who does not harbour a painful recollection of a failed lecture is a liar. On one such occasion, I felt early on that I had lost the students entirely: those who hadn’t sunk into comatose oblivion were listless and anxious. Ungracefully, I threw myself even deeper into my PowerPoint presentation to save me from total ruin. More...