In reply to  Jones Beene's message of Fri, 29 Apr 2011 17:05:00 -0700:
Hi,
[snip]
>Why would not some form of subsurface robotic tunneling for roads - in the
>future history of cheap LANR power, be almost as cheap?

..because the same robots could still build a surface road cheaper (and much
faster).
Regards,

Robin van Spaandonk

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