The useful question at any causeway is what it is crossing, because the answer determines whether it is always there, sometimes there, or being maintained against something actively trying to…
Maya Linton
Source: Wikipedia
Most archaeological finds are objects. Something survives, it is recovered, and it can be examined, measured and displayed.
Occasionally the significant find is not an object at all but…
Source: Wikipedia
There is an assumption that pre-modern financial systems were crude, and it is worth testing against an example.
The English Exchequer — the department handling royal revenue — kept…
Source: Wikipedia
There is a category of historical decision that turns out correct for reasons nobody involved understood, and this is the clearest example in the history of public works.
A…
Source: Wikipedia
Technologies are usually lost for identifiable reasons. A market disappears, a cheaper substitute arrives, a war interrupts a supply chain, or the last people who knew a process die…
Everybody who has been somewhere completely dark reports the same surprise: the sky is bright.
Not bright like daylight, but visibly not black. There is enough light to see the…