metallic tape
51Lead — (pronEng|ˈlɛd) is a main group element with a symbol Pb ( la. plumbum). Lead has the atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish white color when freshly cut, but… …
52Potential applications of carbon nanotubes — Carbon nanotubes have many potential applications, here is a list of some of the most important:tructural*clothes: waterproof tear resistant cloth fibers *combat jackets: MIT is working on combat jackets that use carbon nanotubes as ultrastrong… …
53Magnet — This article is about objects and devices that produce magnetic fields. For a description of magnetic materials, see magnetism. For other uses, see Magnet (disambiguation) …
54Coherer — Metal filings coherer The coherer was a primitive form of radio signal detector used in the first radio receivers during the wireless telegraphy era at the beginning of the twentieth century. Invented around 1890 by French scientist Édouard… …
55Digital recording — Audio levels display on a digital audio recorder (Zoom H4n) In digital recording, digital audio and digital video is directly recorded to a storage device as a stream of discrete numbers, representing the changes in air pressure (sound) for audio …
56Rendlesham Forest incident — The Rendlesham Forest Incident is the name given to a series of reported sightings of unexplained lights and the alleged landing of an extraterrestrial spacecraft in Rendlesham Forest, Suffolk, England in late December 1980. It is perhaps the… …
57Edward Maynard — Infobox Person name = Edward Maynard image size = 150px caption = Edward Maynard birth name = birth date = April 26, 1813 birth place = Madison, New York death date = death place = death cause = resting place = resting place coordinates =… …
58Guitar effects — are electronic devices that modify the tone, pitch, or sound of an electric guitar, or condition or reroute the signal in some fashion. Effects can be housed in small effects pedals ( stomp boxes ), guitar amplifiers, guitar amplifier simulation… …
59Compact disc manufacturing — is the process by which commercial compact discs (CDs) are replicated in mass quantities using a master version created from a source recording. This may be either in audio form (CD Audio) or data form (CD ROM). This process is used in the… …
60magnetic ceramics — Introduction oxide materials that exhibit a certain type of permanent magnetization called ferrimagnetism. Commercially prepared magnetic ceramics are used in a variety of permanent magnet, transformer, telecommunications, and information… …
