ultra-high-strength steel
41Sailcloth — Sails have been made from cloth for all of recorded history. Typically sails were made from flax (linen), hemp or cotton in various forms including canvas. However, modern sails are rarely made from natural fibers. Most sails are made from… …
42Grinding (abrasive cutting) — Sketch of how abrasive particles in a grinding wheel remove material from a workpiece. Grinding is an abrasive machining process that uses a grinding wheel as the cutting tool. A wide variety of machines are used for grinding: Hand cranked knife… …
43Bicycle wheel — For the Marcel Duchamp installation, see Bicycle Wheel. The front wheel from a racing bicycle made using a Mavic rim …
44Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… …
45Kevlar — is the registered trademark for a light, strong para aramid synthetic fiber, related to other aramids such as Nomex and Technora. Developed at DuPont in 1965 by Stephanie Kwolek and Roberto Berendt,cite web… …
46Powered exoskeleton — The exhibit future soldier , designed by the US Army A powered exoskeleton, also known as powered armor, or exoframe, is a powered mobile machine consisting primarily of an exoskeleton like framework worn by a person and a power supply that… …
47Spider-Man's powers and equipment — The fateful spider bite that gave Peter Parker his powers. Amazing Fantasy #15, art by Steve Ditko. Spider Man s powers, abilities, and equipment are used by Marvel Comics superhero Spider Man in tandem to combat his many foes. He receives most… …
48Sintering — is a method used to create objects from powders. It is based on atomic diffusion. Diffusion occurs in any material above absolute zero but it occurs much faster at higher temperatures. In most sintering processes the powdered material is held in… …
49Maglev — JR Maglev at Yamanashi, Japan test track in November 2005 …
50Industry of China — Industry produced 53.1 percent of China’s gross domestic product (GDP) in 2005. Industry (including mining, manufacturing, construction, and power) contributed 52.9 percent of GDP in 2004 and occupied 22.5 percent of the workforce. The… …
