โ Scribed by Fontenay, Charles L.;Macgregor, James Murdoch;McIntosh, J. T
No coin nor oath required. For personal study only.
Epub (reworked from a scan)
For
almost two centuries the huge spaceship had speared its way through the
stars, bound for another 200 hundred years of travel before it would
put down on a new planet, a new home for the Earth people.
On
board the metal-enclosed worldlet were four hundred people: the last
survivors of Earth. It was up to them to start life anew, to correct the
mistakes their ancestors had made.
But as the tenth generation
neared maturity, the idle passengers found themselves face to face with
these same problems--and this time there was no place to run and hide or
to postpone their answers. For their miniature society was changing
faster and faster. And the spaceship suddenly seemed destined to end as
a star-bound coffin.
Mars (Planet)
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## Abstract Though simple scratch hardness tests after Mohs are still used today, the development of diamond nanoscratching equipment offers new possibilities to meet demands of modern nanotechnology. Preceding approaches to assign hardness values to materials are briefly reviewed, and scratch hard