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Wireless

Scientists have been trying to find a way around this problem. One possibility is to make computer chips out of single molecules rather than transistors. The molecules could be grown chemically rather than cut or 'etched'.

The molecules are smaller than transistors but again it would only be a matter of time before we reached a size limit.



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A traditional computer chip is made from tiny silicon wires cut from larger lumps of silicon.
A traditional computer chip is made from tiny silicon wires cut from larger lumps of silicon.
Image: IBM
    Image: Veeco Instruments Inc.
 

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