Just a note that there is an unclosed quotation mark in the "physics" link in Vi Hart's section, causing it to not show and it also breaks the "hyperbolic space

Just a note that there is an unclosed quotation mark in the "physics" link in Vi Hart's section, causing it to not show and it also breaks the "hyperbolic space" link. Incredible work from an incredible team! Not sure why Bret Victor's section disappeared.