Is there a way to create a “captcha”-like problem that computers can verify, but only humans can solve?
In a normal CAPTCHA scenario, a computer creates a challenge and a correct response to it. (The challenge is an image of distorted text, for instance, and the response is the characters depicted.) ...
Why can I look at a graph and immediately find the closest point to another point, but it takes me O(n) time through programming?
Let me clarify: Given a scatterplot of some given number of points n, if I want to find the closest point to any point in the plot mentally, I can immediately ignore most points in the graph, ...
How many flops my brain can process, or how many GHz is a human brain capable of? Is it valid to think that each celular brain is like a small cpu? (like cuda architecture). Our brains works in ...
Updated based on comments: In what ways can we distinguish a human being doing certain activities online and a bot programmed to do similar activities, say checking email, downloading some music ...
What are some problems which are easily solved by human brain but which would take more time computers?
Are there any problems which can be solved by human brain in a very less time but a computer may take a lot of time or a computer could never solve it ?