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Indian mathematician Manava publishes his idea that square roots of numbers such as 2 and 61 cannot be determined.
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The discovery of irrational numbers is often attributed to Hipassus, but there is a lot of controversy around this. More information can be found in this document
https://docs.google.com/a/mix.wvu.edu/document/d/194zTEtSSQSB3wp1Qc3gKjMhZFYT0HDQOt4YU7362vvc/edit?usp=sharing -
An edict was issued in China threatening any alchemists making counterfeit gold with death.
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The Egyptians began the science of alchemy during Hellenistic Egypt, with Zosimos of Panopolis writing the first known books on the subject.
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Brahmagupta states that zero divided by zero is zero. More information can be found in this document
https://docs.google.com/a/mix.wvu.edu/document/d/1FL5hcLW4u0Pgd8UA2-Yxt6vJdjbOssGnuN6CCaQG0g8/edit?usp=sharing More information on the number zero can be found in this video
https://www.youtube.com/watch?v=9Y7gAzTMdMA -
Egyptian mathematician Abu Kamil Shuja ibn Aslam was the first to accept irrational numbers as solutions to quadratic equations or as coefficients in an equation.
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Mahavira states in his book Ganita Sara Samgraha that a number will remain unchanged if divided by zero.
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Persian mathematician Al-Mahani examined and classified quadratic irrationals and cubic irrationals in his commentaries on Book 10 of The Elements.
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Raymond Lully makes progress in the field of alchemy and is rumored to have transmuted metals into gold for King Edward II. More information can be found in this document
https://docs.google.com/a/mix.wvu.edu/document/d/1H2hiCSIe4uBH7ZIiNzRP7jSvQWBVDonNcxa-jk_xuSU/edit?usp=sharing -
Sir George Ripley publishes Compound of Alchemy, a significant text in the world of alchemy.
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Abraham Ortelius is the first to propose the idea of continental drift. More information can be found in this document
https://docs.google.com/a/mix.wvu.edu/document/d/137G3ID1-JjjLJjjuvNZqGh5AbSLtDAnNNJUG17Zjl9E/edit?usp=sharing -
James I began his rule in England, making it well known that he did not like "magicians" otherwise known as alchemists. Most alchemists went into hiding to avoid persecution.
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Johann Heinrich Lambert proved that pi cannot be a rational number.
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Leonhard Euler stated that any quantity divided by zero is infinity.
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Frank Bursley Taylor proposed the idea of "continental creep" as an explanation for how the continents go to their current positions.
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Wegener hypothesizes that the continents are slowly drifting around the Earth.
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Eric Hulten uses botanical evidence to support the theory of a land bridge between Alaska and Russia.
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Harry Haymond Hess publishes "The History of Ocean Basins" outlines ideas that will later be known as the Theory of Sea Floor Spreading.
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A division by zero error in the software for the USS Yorktown caused all of the computers onboard to crash, resulting in failure of the ship's propulsion system.
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James A.D.W. Anderson invents transreal arithmetic, a system of math in which zero divided by zero is called nullity and any number divided by zero (excluding zero) is negative or positive infinity, depending on if the number being divided is positive of negative.
