Ancient Greek geometers | Philosophers of mathematics
Thales of Miletus (/ˈθeɪliːz/ THAY-leez; Greek: Θαλῆς; c. 624/623 – c. 548/545 BC) was a Greek mathematician, astronomer, statesman, and pre-Socratic philosopher from Miletus in Ionia, Asia Minor. He was one of the Seven Sages of Greece. Many, most notably Aristotle, regarded him as the first philosopher in the Greek tradition, and he is otherwise historically recognized as the first individual known to have entertained and engaged in scientific philosophy. He is often referred to as the Father of Science. Thales is recognized for breaking from the use of mythology to explain the world and the universe, instead explaining natural objects and phenomena by offering naturalistic theories and hypotheses. Almost all the other pre-Socratic philosophers followed him in explaining nature as deriving from a unity of everything based on the existence of a single ultimate substance instead of using mythological explanations. Aristotle regarded him as the founder of the Ionian School of philosophy, and reported Thales' hypothesis that the originating principle of nature and the nature of matter was a single material substance: water. In mathematics, Thales used geometry to calculate the heights of pyramids and the distance of ships from the shore. He is the first known individual to use deductive reasoning applied to geometry by deriving four corollaries to Thales' theorem. He is also the first known to whom a mathematical discovery has been attributed. (Wikipedia).
http://www.teachastronomy.com/ Thales was a philosopher who lived in the 6th century B.C. in Miletus, in what is now Turkey. No written work by Thales survives, but we know that he kept accurate eclipse records and he speculated about astronomy. He decided that the source of all things w
From playlist 02. Ancient Astronomy and Celestial Phenomena
Thales: Biography of a Great Thinker
Thales of Miletus was an ancient Greek scholar who is widely considered to be the first mathematician and the first philosopher. He was one of the Seven Sages of Greece. Host: Liliana de Castro Artwork: Kim Parkhurst Written & Directed by Michael Harrison Produced by Kimberly Hatch Har
From playlist It Starts With Literacy
月周回衛星「かぐや」のHDTVが観測したオリエンタレ・ベイスン (C)JAXA/NHK
From playlist Earth's place in Solar System - Jaxa
月周回衛星「かぐや」のHDTVが観測した雨の海と虹の入り江 (C) JAXA/NHK
From playlist Earth's place in Solar System - Jaxa
月周回衛星「かぐや」の地形カメラ(TC)が観測したダイソンクレータのアナグリフ動画。 KAGUYA (SELENE) taking "DYSON Crater" by Terrain Camera (Anaglyph images). (C)JAXA/SELENE
From playlist Earth's place in Solar System - Jaxa
月周回衛星「かぐや」のHDTVが観測したアルキメデス (C)JAXA/NHK
From playlist Earth's place in Solar System - Jaxa
Matter Makes Up Everything, So What Makes Up Matter? (Part 1 of 3)
Practically everything around us is matter, but how did the first scientists figure that out? How did we define matter? Part 2 of 3 - https://youtu.be/W2GHjcFyO3E Part 3 of 3- https://youtu.be/VSm_aXjX0x8 Read More: Discovery of the Electron http://www.pbs.org/transistor/science/eve
From playlist Seeker Plus
Persephone | The Greek Goddess of Spring | Ancient Greek Mythology
Based on a story by Lin and Don Donn - https://ancienthistory.mrdonn.org/myths.html, used with permission. Persephone | The Greek Goddess of Spring | Ancient Greek Mythology Greek Goddess of Spring. Daughter of Demeter and Zeus, Persephone is the beautiful goddess of spring. She is call
From playlist Ancient Greek Mythology
Presocratics Part 1: Early Greek Philosophy
When people think of philosophy, they often transport themselves to Ancient Greece. This era was a hotbed of intellectual activity, and it produced some of the most influential minds in human history. But before we get to the most famous ones, Socrates and his lineage, we have to discuss t
From playlist Philosophy/Logic
We all know the words around electricity, "charge," "positive," "battery", and more. But where do they come from and what do they really mean? Let the history of these words illuminate the physics of electric phenomena. Lesson by James Sheils, animation by TED-Ed. View the full lesson: h
From playlist Even More TED-Ed Originals
I have been a trader for over twenty years, and from the start of my hedge fund career working with Victor Niederhoffer I have taken a quantitative approach to researching and executing trading strategies. A quant trader is a trader that builds statistical models to test trading strategie
From playlist Top Ten Lists
Electrostatic telegraphs (case study) | Computer Science | Khan Academy
Long before the internet people thought about sending information along wires using static electricity. Watch the next lesson: https://www.khanacademy.org/computing/computer-science/informationtheory/info-theory/v/the-battery-electromagnetism?utm_source=YT&utm_medium=Desc&utm_campaign=com
From playlist Discoveries and projects | Physics | Khan Academy
The History of Physics and Its Applications
STEMerch Store: https://stemerch.com/ Part 2: https://youtu.be/5Sv-zcHPMbw Support the Channel: https://www.patreon.com/zachstar PayPal(one time donation): https://www.paypal.me/ZachStarYT Instagram: https://www.instagram.com/zachstar/ Twitter: https://twitter.com/ImZachStar Join Facebook
From playlist Physics
The Worlds Most Powerful Electric Motors
Go to https://squarespace.com/curiousdroid to get a free trial and 10% off your first purchase of a website or domain. In a previous video we looked at the most powerful magnets in the world, so as an offshoot of that I thought we would look at one of the some of the most powerful motors
From playlist Ships
Eratosthenes: Biography of a Great Thinker
Eratosthenes (c. 276 BC -- c.194 BC) was a Greek scholar nicknamed "Beta." This is because he was considered the second best in so many fields. Despite the dismissive nickname, Eratosthenes is still celebrated to this day for his significant contributions to math, astronomy, and geograph
From playlist It Starts With Literacy
ESA’s million-year time machine
Go to http://www.squarespace.com/curiousdroid to get a free trial and 10% off your first purchase of a website or domain. Imagine that we could take control of time and run it backwards and forwards to see how the Milky Way evolved in the past and how it will do so in the future. Well, th
From playlist Rockets and Space Craft