Ah. A hard question to answered. cause it is a lot of materials. almost all materials have been improved trough technology. like it is almost none that dont have been trough out history. if you take one like Iron. the iron that you cal iron is never pure, but have some other materials that trough testing and technology have been inproved in one way that suits the need. Iron itself is weak. steel is it caled, Iron and carbon and some other elements. but also iron in medical pils is also one here.
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These are the better examples and conversions of materials improved by technology.:an old television into a new flat screen televisionBeta max into a new DVD PlayerType writer into a new laptoplocking doors into a new automatic door opener
Yes, technology has been through many stages of innovation.
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television, radio, light, telephone ... ... =) .......♥