USGS Historical Topographic Maps(esri.com)

217 points by bryanrasmussen 2 years ago | 42 comments

Show HN: Today's cities on a globe of Earth's tectonic past and future(douwe.com)

24 points by dosinga 2 months ago | 5 comments

Crafting Painterly Shaders(blog.maximeheckel.com)

227 points by todsacerdoti 2 years ago | 18 comments

Mapsnap: Automated Georeferencing for Historic Sanborn Insurance Maps(danvk.org)

14 points by evakhoury 1 month ago | 3 comments

GPS – Bartosz Ciechanowski (2022)(ciechanow.ski)

11 points by srathi 1 year ago | 1 comments

GPS (2022)(ciechanow.ski)

365 points by tkiolp4 3 years ago | 32 comments

Bartosz Ciechanowski's interactive blog essay explaining how the Global Positioning System works, including its satellite constellation and positioning math.