Journal
The Summer Solstice, Eratosthenes, the Gnomon
In the end, the error turned out to be a trifle: less than 1% deviation on an order of magnitude of 250,000. To be precise, 257,142 stadia. The stadion, a unit of measurement in the Hellenic world, was equivalent to our 157.5 meters. The protagonist of this ‘brilliant mistake’ was Read more…