Archive for Era – Ancient
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-0400 – blast furnace
Bronze mettalurgy was being used for several thousand years before this. The presence of iron artifacts in a culture is evidence of the ability to melt and refine iron ore which requires higher temperatures than bronze work and usually indicates knowledge of how make a high temperature furnace. Some of the earliest ironwork of this [...]
-0575 – Pythagoras – bio
Pythagoras was a Greek mathematician born around -575 on the island of Samos. He is best known for the “Pythagorean theorem” which states that in a triangle with a ninety degree angle (right angle), a square formed by the long side opposite the right angle (the hypotenuse) is equal to the sum of the squares [...]
-0325 – Euclid – bio
Euclid was a Greek mathematician and scholar who worked in Alexandria during the rule of Ptolemy. Euclid is best known for his vast collection of mathematics and geometry in a series of books called, “The Elements”. While it is possible that most of the work compiled in The Elements had been discovered previously by others, [...]
