-
-
2200 BCE
Mesopotamian Medical Practices
The earliest known medical record, a Sumerian medical clay tablet, is considered the oldest known medical book. Link text -
1820 BCE
1820 BCE - Derivatives - Ancient Thinkers and Derivatives
The earliest thinkers began setting the ground work for infinitesimal calculus.
https://docs.google.com/document/d/1UrsVqEAY2J0QGdTiFM2ibc5M_Jn2-ox-80DOFZJ4wEY/edit?usp=sharing -
500 BCE
500 BC- Irrational Numbers: Hippasus of Metapontum believed to have first discovered irrational numbers
-
500 BCE
Hippocrates and Galen
Hippocrates practiced and taught medicine on the Greek Island of Kos. He was known for paying close attention to symptoms that occurred in diseases. The Hippocratic Oath was written by Hippocrates and is taken to establish a foundation for medicinal principles and practices. Link text -
-
300 BCE
300 B.C. – Non-Euclidean Geometry
-
250 BCE
250 BCE - Archimedes
-
-
150
150 A.D. - Revolutions in Astronomy
-
1543
1543 - Revolutions in Astronomy
-
1545
1545 Radical Puzzles - Cardano Introduces Negative Square Root
-
1560
1560 AD - Prisoners of Probability - Cardano was First
Cardano was the first to start exploring probability almost a century before Pascal and Fermet.
https://docs.google.com/document/d/12VoCMac4hnj6-o4aRRKaz_MLJRqAZXsMQW01GIprycY/edit?usp=sharing -
1570
1570 A.D. – Non-Euclidean Geometry
The Western World and The Elements https://docs.google.com/document/d/1wjvoJS6Gg2S2FW1Mqzin0y8NHuqbmxefCk08AnrIrLo/edit?usp=sharing -
Secrets of the Alchemists
Adalbert Alask, Prince of Poland, sought out Dr. John Dee and Edward Kelly to discuss their experiments. The two returned to Prague with the prince to further their research in the public's peak time of interest in alchemy. https://docs.google.com/document/d/1ERRSpNf_FKjSD7q6yRQ7cNpgH3Wi1Sombiu9HQfAnwo/edit?usp=sharing -
1637 Radical Puzzles - Introduction to "i"
-
Secrets of the Alchemists
Thomas Vaughn wrote about the religious motivation behind his alchemy-inspired writings, and produces the first description of the transmutation of metals https://docs.google.com/document/d/1zFERGME_oTubSmrhPFUCnMpX65bqGc92C21a7CNXWiQ/edit?usp=sharing -
1654 AD - Prisoners of Probability - The Theory of Probability
Pascal's start in theory of probability.
https://docs.google.com/document/d/1zFzB-Lv4RWKGgDZfj4w3bpxrKJH7zEZJ4oQEcOE4uo8/edit?usp=sharing -
1656 AD - Paradoxes of Division: John Wallis confirms the ideas of Bhaskara
John Wallis confirms the ideas of Bhaskara's Paradox https://docs.google.com/document/d/1iAfhftw19Ve34g9ha3RRY1GKm5PgAsKRjhhIUBlovOc/edit?usp=sharing -
1661 AD - Evolution of the Periodic Table/Elements: Robert Boyle publishes "The Skeptical Chymist"
Robert Boyle publishes his book: "The Skeptical Chymist" to explain his beliefs about what is an element and what is not. https://docs.google.com/document/d/1liDyCMacvnG2GTIyQq4aDcfdbUGHBF8TbS07dKsGskI/edit?usp=sharing -
Infinitely Small; Newton and Leibniz
-
Period: to
1676 AD-1684 AD:Infinitesimals and the Foundation of Calculus
Gottfried von Leibniz worked independently of Newton on the discovery of calculus and came to the same conclusions which he published in 1684.
Link to Extended Post: https://docs.google.com/document/d/1yH53_0aFtAmfc36xvekSwyo3ga7XRv-J5KxX9858feA/edit?usp=sharing -
1683 A.D. The Number and Letter e - First Approximation for e
Mathematicians still couldn't grasp or understand e, but Jacob Bernoulli soon found himself in the driver's seat of an amazing discovery. Read more:
https://docs.google.com/document/d/1R6wrFt6G0QFKiQ6FLGXEgEeWT8gd4Zmd3D6k62PP0oA/edit?usp=sharing -
1684 AD - Derivatives - Newton and Leibniz
Leibniz first publishes his method of calculus, sparking a controversy between him and Newton.
https://docs.google.com/document/d/12A2wBxCU2Jz8iz3rD8CKLM2jri0_aTBP6FfA9FDiGtk/edit?usp=sharing -
History of Vaccines; Smallpox Epidemic in the New World
-
1734 AD-Infinitesimals and the Foundation of Calculus
Bishop Berkeley published a paper, The Analyst: A Discourse Addressed to an Infidel Mathematician, attacking Newton’s logical basis for calculus.
Link to Extended Post: https://docs.google.com/document/d/1c25aSAbB1oIuwnkQuojcOl54-Lj-NEvQGjgaTgp4l-g/edit?usp=sharing -
1748 A.D. The Number and Letter e - Euler's work
Euler publishes his famous book Introductio in Analysin infinitorum that shows all of his work with e. Read more:
https://docs.google.com/document/d/1cm-Ht7fl150iDKur37O0n3cL7R1GjH6MsvRXWmJRfMA/edit?usp=sharing -
1790 AD - Evolution of the Periodic Table/Elements: Lavoisier's Experiments
One of the fathers of modern chemistry, Lavoisier did experiments to prove that the elements that Aristotle believe in were not actually elements, such as water and air. https://docs.google.com/document/d/1_Y-mmpdAD_KyfUqAIv94iBS29-JkZAzqJM2VdW-FXOo/edit?usp=sharing -
1824 - The History of the Greenhouse Effect
Joseph Fourier and the Greenhouse Effect https://docs.google.com/document/d/13hmvTZ4umYsWBqa49yf4e3h_GBYqERInhfmhEOEYBXM/edit?usp=sharing -
1831 Germ Theory of Disease - Cholera Outbreak in Soho
-
Period: to
Darwin voyaged the world for hydrographic surveying, giving him access to new and isolated locations.
Darwin took the opportunity to make many notes and observations from loads of untouched data all around him, quickly realizing species were not immutable and that his initial beliefs in the theory of independent creation were not as supported as some other competing ideas and explanations. Link text -
Period: to
Lord Kelvin
Lord Kelvin believed that the earth was slowly cooling. Link text -
The four color conjecture is first made.
Francis Guthrie noticed as few as four colors sufficed while coloring a county map of England, and hypothesized that this should be true of all maps in a 2D plane. After consulting Augustus de Morgan, Guthrie's Problem was sent forward to mathematicians hoping for a sufficient proof. The four color problem can be explained here. Link text -
-
Darwin publishes On the Origin of Species
Charles Darwin finally publishes his findings in On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life. Though this work introduced his idea of natural selection, the well known "survival of the fittest" concept is not mentioned for the first four editions. Link text -
1862 Germ Theory of Disease - Pasteur's Experiment
-
1865 A.D. – Understanding the Building Blocks of Life: DNA
Genetics 101 – Discovering Dominant and Recessive Genes https://docs.google.com/document/d/1pK6Ztv9e1jIle0H586n2-ouOrmEo8_2u08Ig14HnsF8/edit?usp=sharing -
1865 - Natural Science Society in Brno
-
1883- History of Eugenics: Sir Francis Galton coins the term “Eugenics” in his book, Inquiries into Human Faculty and Its Development
-
1896 A.D. Impossible Chemistry - Radioactivity discovered
Henri Becquerel accidentally discovers radioactivity while working with uranium salts.
Read More:
https://docs.google.com/document/d/17PicVd8h9IWv5F0VItKOqQWkAzE6v1NqKmTdpj9WSVo/edit?usp=sharing
Video:
https://youtu.be/-0Mg8Bu07fI -
Period: to
Radioactivity
How the discovery of radioactivity affected the calculations of the age of the earth. Link text -
1898 A.D. Impossible Chemistry - Radium and Polonium
During the time of great discoveries that dealt with radioactivity, the Curie's discovery two elements that would change their lives.
Read More;
https://docs.google.com/document/d/1Ef_ubaODN3K0W4zl99H-HKgF25dRKuwQZim-lfY_fzw/edit -
Space-Time: The Fourth Dimension
Albert Einstein published his theory of special relativity, a key turning point in the concept of time. https://docs.google.com/document/d/1vw9TzIucK8_I_JL5oRYuMi85w-vQ6walI7q0AwaeBn8/edit?usp=sharing -
Space-Time: The Fourth Dimension
Wormholes are first theorized by physicist Ludwig Flamm https://docs.google.com/document/d/1rHus4lAAq3xeVgf5OQMMUBE7bTiwF7VpOAElpSkKx-A/edit?usp=sharing -
1927 History of Eugenics: United States Supreme Court rules in favor of forced sterilizations in Buck vs. Bell
-
1936 - Rediscovery
-
Period: to
History of Vaccines; Maurice Hilleman
-
1945- Irrational Numbers: Kurt Von Fritz proposes an alternative method to how Hippasus discovered irrationality, involving the use of a pentagram
-
1946 - Expansion of Digits
-
1953 A.D. – Understanding the Building Blocks of Life: DNA
The Race to Find the Structure of DNA https://docs.google.com/document/d/1B-hgS65tkFEg8vbZbPGHryj12vQTO0ey3x7gzCX_if0/edit?usp=sharing -
Infinitely Small; Abraham Robinson
-
1971 AD-Questions and Evidence on Evolution
From the case Lemon v. Kurtzman, the Supreme Court created the Lemon test for deciding if a law violated the Establishment Clause.
Link to Extended Post: https://docs.google.com/document/d/1GSsbBZe1m4Udxc6lh53GdPUoR5UQ_b737FP2QCiFOpY/edit?usp=sharing -
A complete, computer-assisted proof is reached by Haken and Appel.
Haken & Appel's algorithm for the four-color theorem is proven with 1800 iterations and 1000 hours of computing on an IBM 370-168 to print a 400-page detailed proof. Denial of this computer-generated proof sparked debate over technology's place in mathematics. The programming algorithm is taught in many computer science classes today. Link text -
1982 AD-Questions and Evidence on Evolution
In McLean vs. Arkansas, Judge William Overton developed his own requirements and overturned the Balanced Treatment Act of 1981.
Link to Extended Post: https://docs.google.com/document/d/1OwDrAGFZC3QpGWvgiQBAP8op6YBWqCURQJt6efO6lyM/edit?usp=sharing -
1985 - The History of the Greenhouse Effect
More greenhouse gases in the atmosphere
https://docs.google.com/document/d/1iGsXuJQzkHwPWlVhisb8oDG1vsotrsDosI73HpMFqK0/edit?usp=sharing -
2006 AD - Paradoxes of Division: James Anderson and Transreal Arithmetic
James Anderson completely changes the world of arithmetic when he introduces his idea of transreal arithmetic and nullity. https://docs.google.com/document/d/1Yhs1UfOAROUdc-zElnm11Qy15Whmbcdc97zb0EtH658/edit?usp=sharing
