ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] SIR—A principle illustrated in 5,000yearold Egyptian art work has yielded a novel method of creating mechanical advan-tage. It has long been known that ancient peoples had the ability to lift and transport huge masses of stone. The Incan fortress walls, for example, contain ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/332022b0
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