The cover of the September 1957 issue of Venture Science Fiction, in which Sturgeon first published "90% of everything is crud." Sturgeon's law (or Sturgeon's revelation) is an adage stating "ninety percent of everything is crap". It was coined by Theodore Sturgeon, an American science fiction author and critic, and was inspired by his observation that, while science fiction was often derided for
A smiley-face emoticon Examples of kaomoji smileys An emoticon (/əˈmoʊtəkɒn/, ə-MOH-tə-kon, rarely /ɪˈmɒtɪkɒn/, ih-MOTT-ih-kon),[1][2][3][4] short for emotion icon,[5] is a pictorial representation of a facial expression using characters—usually punctuation marks, numbers, and letters—to express a person's feelings, mood, or reaction, without needing to describe it in detail. The first ASCII emoti
This article is about the puzzle. For the disease, see Sodoku. Sudoku (/suːˈdoʊkuː, -ˈdɒk-, sə-/; Japanese: 数独, romanized: sūdoku, lit. 'digit-single'; originally called Number Place)[1] is a logic-based,[2][3] combinatorial[4] number-placement puzzle. In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 subgrids that compos
Kademlia is a distributed hash table for decentralized peer-to-peer computer networks designed by Petar Maymounkov and David Mazières in 2002.[1][2] It specifies the structure of the network and the exchange of information through node lookups. Kademlia nodes communicate among themselves using UDP. A virtual or overlay network is formed by the participant nodes. Each node is identified by a number
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