sturdy-type core box
21Doctor Who merchandise — The long running British science fiction television series Doctor Who has since its beginnings in the 1960s generated many hundreds of products related to the show, from toys and games to picture cards and postage stamps. This article is not an… …
22Barrel — For other uses, see Barrel (disambiguation). For the use of oak aging barrels in wine, see Oak (wine). Traditional oak barrels in Chile …
23flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
24Bookbinding — A traditional bookbinder at work Old bookbindings …
25Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …
26Changeling (film) — This article is about the 2008 film directed by Clint Eastwood. For the 1980 film, see The Changeling (film). Changeling …
27Model aircraft — A die cast Boeing 747 400 model. Model aircraft are flying or non flying models of existing or imaginary aircraft using a variety of materials including plastic, diecast metal, polystyrene, balsa wood, foam and fibreglass. Flying designs range… …
28History of Ghana — The Republic of Ghana is named after the medieval West African Ghana Empire,[1] known to the dominant ethnic group the Soninke, as Wagadugu, which roughly translates to Land of Herds. The Empire became known in Europe and Arabia as the Ghana… …
29human evolution — Evolution of modern human beings from nonhuman and extinct hominid forms. Genetic evidence points to an evolutionary divergence between the lineages of humans and the great apes (Pongidae) on the African continent 5–8 million years ago. The… …
30Calculator — For mechanical precursors to the modern calculator, see mechanical calculator. For other uses, see Calculator (disambiguation). An electronic pocket calculator with a 7‑segment LCD display, that can perform basic arithmetic operations …
