Please don't just link to your blog instead of making a comment here. At the very least, summarize your post and link to the extrapolation. "This is specifica

Please don't just link to your blog instead of making a comment here. At the very least, summarize your post and link to the extrapolation. "This is specifically a marine astrolabe for determining latitude from the elevation of a specific star, not a generic astrolabe with many other functions. It's also not the earliest navigational tool. These names and distinctions are important, and getting them wrong is indicative of damaging, incorrect click-bait journalism. I go into more detail on my blog: [link]"