03:3303:33, 30 November 2022diffhist+379
Pacific Crest Trail
Correcting and adding actual lowest elevation from Halfmile's PCT track. The bridge deck itself is not the lowest point, it is actually about a mile north.
04:0704:07, 5 November 2022diffhist+152
Borwein integral
As someone pointed out to me in the comments of 3b1b's latest video on the topic, the exact value of the cosine integral can be computed using the general formula later on this page.