F ans worldwide are expressing disappointment after Taylor Swift allegedly used AI-generated videos to help promote her new album, The Life of a Showgirl.

Today, we bring you another focus challenge, in which we invite you to spend uninterrupted time looking at a piece of art.

Abstract: As a practical machine learning method, the K-nearest neighbors (KNN) classification has received widespread attention. The achievement of the KNN classification relies heavily on a large ...