资讯

PERMIT a brief correction to the paragraph in NATURE of April 7, p. 479, on the casts presented to the Science Museum. The variable divisions of the water-clocks are not for different lengths of ...
KS2 History: Ancient Egypt. Hussein - The Water Boy. This story - based on fact - follows 12-year-old Hussein, a water carrier working at Howard Carter's excavations in the ‘Valley of the Kings ...
In an effort to forestall potential water conflicts such as the one brewing around the Dam, an increasing number of bilateral and multilateral water agreements have been concluded in recent decades.
This article was originally published with the title “ Water-Jet Propulsion, Old Egyptian Water-Clocks, and more ” in Scientific American Magazine Vol. 130 No. 4 (April 1924), p. 249 doi:10. ...
The construction of ancient Egypt’s oldest known pyramid may have benefited from a water elevator capable of lifting 50 to 100 tonnes of stones at a time. The suggestion draws upon the fact that ...