Muse Mercier retweetledi
Muse Mercier
1.2K posts
Muse Mercier
@MuseNews
Eccentric lady, writer, artist, in love with life & nature. All words and photography are by and of me. 🪜🪚
England and France Katılım Mart 2009
215 Takip Edilen28.3K Takipçiler
Muse Mercier retweetledi
Sir Isaac Newton once inserted a bodkin—a long, blunt needle—between his eyeball and the bone of his eye socket just to see what would happen.
He carefully recorded the colored circles and other visual effects produced by pressing and rubbing his eye with the needle. In another experiment, he stared at the sun's reflection in a mirror for as long as he could bear, risking permanent blindness, to study the persistence of the visual impression.
English
Muse Mercier retweetledi
Muse Mercier retweetledi
The Feynman path integral is a way of describing quantum mechanics using the concept of paths. A path is a possible way that a particle can move from one point to another in space and time. In classical mechanics, there is only one path that minimizes the action, which is a quantity that measures how much the particle deviates from a straight line. This path is called the classical trajectory, and it is determined by Newton’s laws of motion.
In quantum mechanics, however, the particle can follow any path, not just the classical one. Each path has a probability amplitude, which is a complex number that tells us how likely the particle is to take that path. The probability amplitude depends on the action of the path, and it is given by the formula:
probability amplitude = e^(iS/ℏ)
where S is the action of the path, and ℏ is a constant called the reduced Planck constant. The probability amplitude is like a wave, and it can interfere with other probability amplitudes from different paths. This interference can produce effects that are not seen in classical mechanics, such as the double-slit experiment.
To find the total probability amplitude for the particle to go from one point to another, we have to add up the probability amplitudes of all possible paths. This is called the path integral, and it is written as:
total probability amplitude=∫Dqe^(iS/ℏ)
where Dq means that we integrate over all possible paths q. The path integral is a very general and powerful way of describing quantum mechanics, and it can be applied to many situations, such as particles in fields, quantum field theory, and quantum gravity. The path integral was invented by Richard Feynman, who was inspired by the work of Paul Dirac and Norbert Wiener.
English
Muse Mercier retweetledi
@VanFuller55 Yes it is shorty. I also ignore you because you’re handsome and talented.
English
@RDrewyor Women are practically perfect and understand everything Richard. ♥️
English
@GordBrodie More on the website soon. Some strange ones that I created this evening. I am extremely behind with my messages, sorry Gordon.
English
@MuseNews I had a feeling if I looked now, there'd be a post from you 😊
Very good image as always.
Don't forget to look at your messages.
English
@MShaneman I’m in that kind of mood. Darker than usual.
My hair changes colour depending on the light, brunette to blonde, sometimes red. Right now in the bath, it’s the colour of autumn leaves. 🍂
English
@MuseNews This is the 'darkest' thing you've posted in a while, it feels like. (Double meaning aside, this is of course relatively speaking, as it's still pretty light on an objective scale.)
Wait, are you naturally a brunette rather than blonde?? What a potentially delightful surprise.
English
@VanFuller55 Everything seems to be some kind of ism, but all that I see is some kind of prison.
English
@MuseNews Most of all Oneself...the Fear of Fools 🙏
(The eyes! *chef's kiss* to the fire ❤️)
English
@JeffreyJohnFlo1 I believe many men simply want power and control over resources, territory/ land via any means necessary and they use weaker men as ammunition and amusement to achieve their goals.
English
@VanFuller55 Depends what the shark thinks and what the fishes think of that.
English