steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th … Universalium
Witness accounts of the Roswell UFO incident — Follows are excerpts of witness accounts of the Roswell UFO incident.In 1978, author Stanton T. Friedman interviewed Jesse Marcel, who voiced his suspicion that debris he recovered on a ranch near Roswell in 1947 was not of this world. Over the… … Wikipedia
Fraggle Rock — For the animated television series, see Fraggle Rock (animated TV series). Fraggle Rock Also known as Jim Henson s Fraggle Rock Created by Jim Henson … Wikipedia
Fatigue (material) — Metal fatigue redirects here. For the video game, see Metal Fatigue (disambiguation). v · d · e Materials failure modes … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Dinosaur — For other uses, see Dinosaur (disambiguation). Dinosaurs Temporal range: Late Triassic–Late Cretaceous, 231.4–65.5 Ma … Wikipedia
chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name Chondrichthyes, or Selachii any… … Universalium
Freestyle BMX — A freestyle rider practicing in the halfpipe. Freestyle BMX is a synonym for BMX stunt riding, a sport branch that hails from extreme sports. It consists of six disciplines: street, park, vert, trails, dirt and flatland (riding in a skatepark).… … Wikipedia
Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 … Wikipedia
Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area … Wikipedia