HackerTube / Video
Does "land area" assume a country is perfectly flat?
Stand-up Maths
Matt Parker of Stand-up Maths asks whether a country's reported land area accounts for hills and mountains, working through how surface area depends on the resolution of elevation data. It follows up on a question from a viewer and work by researchers who measured it.
HN recommends it in map projection and coastline threads as a fun look at how measurement choices change area figures.
4 Hacker News mentions · 2020–2023