Discussion in 'General Chatter' started by Deresto, Aug 25, 2020.
more tmbg shit sorry
So this blog I follow for Aubreyad content also posts a lot of Age of Sail stuff in general, and I saw this meme and understood exactly zero percent of it but figured that meant it just needed to be here
I know it's a joke about map projections, so if my googling is correct, I think the explanation is
Spoiler: explaining the joke
the top image is a portolan chart, a type of nautical map with networks of rhumb lines, which represent the direction you'll go if you sail towards a particular compass bearing without ever changing course. This makes it easier to figure out which direction you need to point the ship if you're crossing a comparatively small and heavily-traveled body of water like the Mediterranean Sea, but pretty bad for crossing open ocean because they don't account for the curvature of the earth- rhumb lines are actually great big spirals if you draw them on a globe, not straight lines. The second one is a Mercator projection, which turns latitude and longitude into a grid; while this wildly distorts the apparent size of everything the closer you get to the poles (no, Greenland is not 3 times the size of Australia), it lets you measure bearings correctly even across huge stretches of ocean.
the inevitable outcome of me watching a single episode of home movies
a meme made in response to hiatt asking me if he’s problematic
thank you for the best thread @Deresto
inspired by some confusions avery had as a kid
Unfortunately based on a real life situation
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