{"version":"1.0","type":"link","title":"Block-stacking problem - Newikis","description":"In statics, the block-stacking problem (sometimes known as The Leaning Tower of Lire (Johnson 1955), also the book-stacking problem, harmonic staircase, or a number of other similar terms) is a puzzle concerning the stacking of blocks at the edge of a table.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/2/2d/Block_stacking_problem.svg/1280px-Block_stacking_problem.svg.png","thumbnail_width":1280,"thumbnail_height":960}