timelets: (Default)
timelets ([personal profile] timelets) wrote2019-02-15 06:43 pm
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TIL

Eupalinos [6th century BC] was the first hydraulic engineer whose name has been preserved. Armed only with intellectual tools, he pulled off one of the finest engineering achievements of ancient times. No one knows exactly how he did it.

http://calteches.library.caltech.edu/4106/1/Samos.pdf


also see https://en.wikipedia.org/wiki/Siloam_tunnel
juan_gandhi: (Default)

[personal profile] juan_gandhi 2019-02-16 03:23 am (UTC)(link)
Ничего себе. Кажется невероятным.