Grid art is a fun thing, because it draws you into the puzzle before you even start solving. And the UMBRELLA grid art so perfectly matches the title of SINGIN' IN THE RAIN, that I immediately ...

Greats on the grid are not Picasso or Renoir but Erte and Arp (father of Dada, another puzzle word). And Olivier is no Esai (Morales), (Theda) Bara or Emil (Jannings — the first person presented ...

ARC presents systems with grid-based image puzzles where each provides several examples demonstrating an underlying rule, and the system must infer that rule to apply it to a new example.