Semiconductors Printed Circuits Mainframe Systems Astronautics Personal Computers Parallel Processing Hypertext Internet Pervasive Computing Cloud Computing Gestures & Symbols Speech & Writing Printing Telegraph Recordings Radio Digitisation Hard-disks Removable Media Touchscreens Gestural Navigation Accelerometers Proximity Sensors AI Input Management Metals Iron Glass Steel Plastics Aluminium Ceramics Alloys & Composites Nano Materials Magnetics CAD Statics-Physics Engines Parametrics Rapid Prototyping DEVELOPMENT 3 Technology