summerstay comments on Harry Potter and the Methods of Rationality discussion thread, part 13, chapter 81 - Less Wrong
You are viewing a comment permalink. View the original post to see all comments and the full post content.
You are viewing a comment permalink. View the original post to see all comments and the full post content.
Comments (1099)
When we exert willpower or mental effort, it uses up glucose from the blood in the brain. One way you could explain the exhaustion that comes from using magic is that it requires mental effort to the point of creating dangerously low levels of blood sugar in the brain.