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Feynman Lectures Chapter 9

9. Newton’s Laws of Dynamics

Feynman 9

Chapter 9 is the start of the physics, though I would have thought that it’s weird to discuss Newton’s laws without vectors (which comes in at chapter 11). 66 more words

Notes

Timeline: the history of gravity

Geraint Lewis, University of Sydney

Our understanding of gravity has gone through a few permutations, from Newton’s equations through to Einstein’s general relativity. With today’s discovery of gravitational waves, we look back on how our grasp of gravity has evolved over the centuries. 1,328 more words

Reblogs

Tratado da Luz de Huygens comentado por Einstein

“Foi Huygens, contemporâneo de Newton, quem apresentou uma teoria nova. Em seu tratado sobre a luz, ele escreveu:

Se, além disso, a luz gastar tempo para sua passagem- o que iremos agora examinar – seguir-se-á que esse movimento, imprimindo à matéria intermediária, é sucessivo; e, consequentemente, ela se espalha, como faz o som, em superfícies esféricas e ondas, pois eu as chamo ondas por causa de sua semelhança com as que se vê formarem-se na água quando nela se joga uma pedra, e que apresentam uma expansão sucessiva em círculos, embora estes resultem de outra causa estejam apenas em uma superfície plana. 16 more words

Aesthetics

What was the Ptolemaic-Aristotelian view of the universe, and how did Copernicus, Kepler, Galileo, and Newton undermine it and institute an alternative?

The Ptolemaic-Aristotelian view of the universe preached that the earth was at the center of the universe. This view, called the Geocentric model, grew increasingly untenable as astronomers and mathematicians such as Copernicus, Kepler, Galileo, and Newton began contributing various truths that contradicted the model. 32 more words

Western Civ. 2

Sometimes You Have to Just Play the Game

There were many storylines and talking points about Super Bowl 50. But sometimes you just have to go out and play the game. 

For the past couple of week it feels like all the news was about three things. 719 more words

F=ma

Newton’s Second Law: Incredibly easy so just added to find every variable involved but units yet to be improvised. Dedicated to the python lovers :) 167 more words

Condition

Rob Lowe Calls Cam Newton OUT!

Rob Lowe had some choice words for Cam Newton’s sportsmanship after the big LOSS at the Super Bowl. As we know, he was very short during the post game press conference. 45 more words