Solve a bunch of math problems really fast? They don't have to be complex, as long as they're completed far quicker than a person typing could manage.
replyyou'd also have to check if it's a human using an AI to impersonate another AI
replyWe try to do the same for a human using another human by making the time limits shorter.
replySeems fundamentally impossible. From the other end of the connection, a machine acting on its own is indistinguishable from a machine acting on behalf of a person who can take over after it passes the challenge.
replyMaybe asking how it reacts to a turtle on it's back in the desert? Then asking about it's mother?
replyCells. Interlinked.
replyBlade Runner 2049 | "Cells Interlinked" and Pale Fire
replyThe best video essay on the movie
its*
replyhahahaa
replyI'm sure most people are looking for serious takes on this, but here are two SMBC comics on this specific theme ("prove you are a robot"):
replyhttps://www.smbc-comics.com/comic/2013-06-05
https://www.smbc-comics.com/comic/captcha
which may be either funner or scarier in light of the actual existence of Moltbook.