Near the bit that describes "repeated squaring", there is this formula (note the "http"): http://www.scottaaronson.com/cgi-bin/mimetex.cgi?x^r%20=%203^{14}%20=%

Near the bit that describes "repeated squaring", there is this formula (note the "http"): http://www.scottaaronson.com/cgi-bin/mimetex.cgi?x^r%20=%203^{14}%20=%203^{2^3+2^2+2^1}%20=%203^{2^3}%20\cdot%203^{2^2}%20\cdot%203^{2^1}%20=%20((3^2)^2)^2%20\cdot%20(3^2)^2%20\cdot%203^2 http://www.scottaaronson.com/cgi-bin/mimetex.cgi?x^r%20=%203... Firefox doesn't want to load that due to mixed content (https page loading http), and also doesn't want to follow the 301 redirect to the https version. Chrome appears to follow the 301 redirect (or maybe lazy-images.js does something different) such that the page renders properly.