Judo in Canada Canada there are six "kyū" grades for seniors (people 16 years of age or older), eleven "kyū" grades for juniors (people under the age of 16), and ten "dan" grades that are restricted to seniors. Both senior and junior students begin as white belts ("rokkyū") and progress with promotion through yellow, orange, green, and blue, to brown belt ("ikkyū"). Half-grades for juniors were introduced in 2010 and are represented by belts that combine the colours of the previous grade and the next grade (a white and yellow belt, for example, represents a half-grade between "rokkyū" and "gokyū", which the grading
Moving walkway the book, the fast lane stops while the second lane keeps running at ). In the Wells and Asimov works there are more steps in the speed scale and the speeds are less extreme. In Arthur C. Clarke's novel, "Against the Fall of Night" (later rewritten as "The City and the Stars") the Megacity of Diaspar is interwoven with "moving ways" which, unlike Heinlein's conveyor belts, are solid floors that can mysteriously move as a fluid. In the novel, Clarke writes, In his non-fiction book "Profiles of the Future", Arthur C. Clarke mentions moving sidewalks but made of some sort