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More recent measurements have calculated the longitudinal distance ...
The tunnel of Samos was definitely a long tunnel by the standards o...
#### Thales of Miletus Even tho Euclid’s elements was only written...
### Herodotus on Samos > “I have dwelt the longer on the affairs...
The two British historians mentioned are June Goodfield and Stephen...
One obvious concern would be water supply during a siege. If water ...
### Two ended construction vs Shafted tunnels In antiquity, the ma...
#### Diagram of water channel ![water channel](https://media.giphy...
### Dioptra The word *dioptra* means simply ‘something to look thr...
![portable square](https://i.imgur.com/7YR5Ntr.png) As long as the...
Why would you need pillars to construct the right angles? Can' you ...
### Groma The *Groma* was a fairly simple instrument, possibly of ...
More recent studies point to the fact that this change of course wa...
It is worth noting that after the collapse of the Roman Empire, tun...