Materials and Communications
In the
last few years there has been an incredible increase in our ability to
communicate remotely and to store and display information. Mobile
phones are common and the video phone which has been a sci-fi prop for
so long is now a reality. All phone calls including mobile calls
travel through glass fibre optics.
Large
amounts of music images or data can be stored on discs, read by
miniature lasers, or in solid state memory. Bulky television sets will
soon be a thing of the past with the development of large liquid
crystal displays, only 5 cm thick, and can be hung on a wall.
Electronic products e.g. lap-tops, mobile phones are increasingly
driven by the need for miniaturisation. Click
here to see how a complete computer built on an LCD display might
look.
All these
developments rely on materials improvements such as liquid crystals
that respond more quickly, electronic circuits with finer lines,
higher frequency lasers and advances in semiconductors and polymers.
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