background preloader

(13) Knowledge Map

Related:  Physics and..

Présentation - Site Jimdo de laprovidence-maths-6eme! 10 Magical Math Puzzles Lay off of the morning math worksheets and try out some of these magical math puzzles that show students how math can be enchanting! 1. Calendar Magic 9 Impress your friends with this math multiplication magic trick from Murderous Maths! Kids tell a friend to put a square around 9 numbers on a calendar ( 3 x 3 box). Then, they say they can find the sum of the 9 numbers within the square in a flash! 2. 3. 4. 5. ​ 6. ​​ 7. ​​ 8. ​​ ​​9. ​​ ​​​10. ​​ Magic Math Trick (x=18) 1.

Accueil Scalars and Vectors Physics is a mathematical science. The underlying concepts and principles have a mathematical basis. Throughout the course of our study of physics, we will encounter a variety of concepts that have a mathematical basis associated with them. While our emphasis will often be upon the conceptual nature of physics, we will give considerable and persistent attention to its mathematical aspect. The motion of objects can be described by words. Even a person without a background in physics has a collection of words that can be used to describe moving objects. Scalars are quantities that are fully described by a magnitude (or numerical value) alone. The remainder of this lesson will focus on several examples of vector and scalar quantities (distance, displacement, speed, velocity, and acceleration). Check Your Understanding 1.

La préparation au concours de Professeur des Ecoles en première année d'IUFM Denis Vekemans Maître de conférences au Centre IUFM de Gravelines Informations générales. L'auteur : a donné, de 1996 à 2006, et redonne, depuis 2010, des cours de mathématiques en première année d'IUFM (à Gravelines -59-)... Objectif : offrir la possibilité de se préparer à l'épreuve de mathématiques du concours en un volume horaire n'excédant pas 100 heures (en comparaison, au Centre IUFM de Gravelines le volume horaire annuel fut, de 1996 à 2006, voisin de 70 heures), globalement divisé en quatre de la manière suivante : 10 heures pour les annexes et pré-requis, 30 heures pour les nombres, 40 heures pour la géométrie et 20 heures pour la proportionnalité. Copyright © 2001 Denis Vekemans - Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. Bibliographie EduSCOL

Scalar Physics Research Center Inertia Theory - Paul Davies On The Meaning Of Mach's Principle Return to the INE Main Page Magic Roundabout Paul Davies On The Meaning Of Mach's Principle From: www.physics.adelaide.edu.au/itp/staff/pcwd/Guardian/1994/940922Mach.html Also See: Fill a bucket with water, grab it by the handle and whirl it in an arc above your head. Newton believed that inertia is an innate property of matter manifesting itself whenever matter accelerates (this includes rotation) relative to absolute space. Newton's arch rival, Gottfried Leibniz, rejected this. The debate raged on. Mach's principle faced a thorny problem. Einstein and others sought a mechanism to explain how a rotating body might experience a centrifugal force as a result of some sort of interaction with all the distant matter in the universe. Viewed from the roundabout, it is the rest of the universe that is rotating. Further evidence in favour of Mach's principle comes from cosmology. Astronomers find no evidence for a systematic rotation of the universe.

Mach's Principle: Anti-Epiphenomenal Physics Previously in series: Many Worlds, One Best GuessFollowup to: The Generalized Anti-Zombie Principle Warning: Mach's Principle is not experimentally proven, though it is widely considered to be credible. Centuries ago, when Galileo was promoting the Copernican model in which the Earth spun on its axis and traveled around the Sun, there was great opposition from those who trusted their common sense: "How could the Earth be moving? I don't feel it moving! The ground beneath my feet seems perfectly steady!" And lo, Galileo said: If you were on a ship sailing across a perfectly level sea, and you were in a room in the interior of the ship, you wouldn't know how fast the ship was moving. This would turn out to be the beginning of one of the most important ideas in the history of physics. Suppose the entire universe was moving. If you tried to visualize what I just said, it seems like you can imagine it. Forget, for a moment, anything you know about relativity. As Feynman said:

The "Dark Side" of the Mandelbrot Set Via YouTube.com Join the Mathologer and his guest Darth Vader as they explore the Dark Side of the Mandelbrot set. Featuring an introduction to how the Mandelbrot set and the halo surrounding it is conjured up, an ingenious way to visualise what’s really going on inside the Mandelbrot set, as well as an appearance of the amazing Buddhabrot fractal. Special thanks to Melinda Green who discovered the Buddhabrot fractal in 1993 for letting us use her Buddhabrot pictures in this video. Check out her website for more information about this fractal as well as 4d Rubik’s cubes, stereophotography, etc.: The Dark Side of the Mandelbrot Set For more content related to this article, check out these empowering and enlightening books! Donate to Help Make a Difference OmniThought.org is a true independent blog because it is not financed by banksters. Category: Sacred Geometry & Sacred Sound

How to become a GOOD Theoretical Physicist Now, first things first. Are you comfortable with numbers, adding, subtracting, square roots, etc.? Natural numbers: 1, 2, 3, …Integers: …, -3, -2, -1, 0, 1, 2, …Rational numbers (fractions): $\dfrac{1}{2}$, $\dfrac{1}{4}$, $\dfrac{3}{4}$, $\dfrac{23791}{773}$, $\dots$Real numbers: Sqrt(2) = 1.4142135… , π = 3.14159265… , e = 2.7182818…, …Complex numbers: 2+3i, eia= cos(a) + i sin( a), … they are very important! This is for starters. The Battle Between Gravity and Quantum Physics, as Told by Craig Hogan and Lee Smolin It is the biggest of problems, it is the smallest of problems. At present physicists have two separate rulebooks explaining how nature works. There is general relativity, which beautifully accounts for gravity and all of the things it dominates: orbiting planets, colliding galaxies, the dynamics of the expanding universe as a whole. Now for the problem: Relativity and quantum mechanics are fundamentally different theories that have different formulations. The conflict between the two halves of physics has been brewing for more than a century—sparked by a pair of 1905 papers by Einstein, one outlining relativity and the other introducing the quantum—but recently it has entered an intriguing, unpredictable new phase. Just as a pixel is the smallest unit of an image on your screen, so there might be an unbreakable smallest unit of distance: a quantum of space. Basically you can think of the division between the relativity and quantum systems as “smooth” versus “chunky.” A Chunky Cosmos

Quantum Physics Overview, Concepts and History By Andrew Zimmerman Jones Updated August 13, 2016. What Is Quantum Physics? Quantum physics is the study of the behavior of matter and energy at the molecular, atomic, nuclear, and even smaller microscopic levels. What Does Quantum Mean? "Quantum" comes from the Latin meaning "how much." Who Developed Quantum Mechanics? As scientists gained the technology to measure with greater precision, strange phenomena was observed. continue reading below our video What's Special About Quantum Physics? In the realm of quantum physics, observing something actually influences the physical processes taking place. What is Quantum Entanglement? One of the key concepts is quantum entanglement, which describes a situation where multiple particles are associated in such a way that measuring the quantum state of one particle also places constraints on the measurements of the other particles. Quantum Optics: Quantum optics is a branch of quantum physics that focuses primarily on the behavior of light, or photons.

Related: