Einstein's gravity field  


"Education is what remains
after one has forgotten everything one learned in school".

Albert Einstein

 
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Albert Einstein was born at Ulm, in Württemberg, Germany, on March 14, 1879. Six weeks later the family moved to Munich, where he later on began his schooling at the Luitpold Gymnasium. Later, they moved to Italy and Albert continued his education at Aarau, Switzerland and in 1896 he entered the Swiss Federal Polytechnic School in Zurich to be trained as a teacher in physics and mathematics. In 1901, the year he gained his diploma, he acquired Swiss citizenship and, as he was unable to find a teaching post, he accepted a position as technical assistant in the Swiss Patent Office. In 1905 he obtained his doctor's degree.

 

Einstein being sworn in as an American Citizen 1940


Albert Einstein, his wife Margot and step daughter Elsa becoming an American Citizen 1940

Max Planck

Max Planck
Though he won the Nobel Prize for Physics in 1918 some say that Einstein should be given credit for quantum theory more so than Planck, since Planck did not understand in a deep sense that he was "introducing the quantum" as a real physical entity.

Mileva Maric, Einsteins first wife
Mileva Maric was Einstein's first wife. Einstein's marriage to Mileva was said to be an intellectual partnership. He consider himself lucky to have founded Mileva
"she is a creature who is my equal and who is strong and independent as I am"
She bore him three children. Two sons Hans Albert and Eduard. Their only daughter born outside of wedlock is said to have died in childhood, though there is no real evidence of that.

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During the Einstein's autopsy, the pathologist of Princeton Hospital, Thomas Stoltz Harvey removed Einstein's brain for preservation, without the permission of his family, in hope that the neuroscience of the future would be able to discover what made Einstein so intelligent. Harvey removed, weighted and dissected Einstein's brain into several pieces ; some of the pieces he kept to himself while others were given to leading pathologists.

My local Astronomy group

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Whether Einstein's brain was removed and preserved after his death in 1955 with his permission is a matter of dispute. Ronald Clark's 1979 biography of Einstein said that "he had insisted that his brain should be used for research and that he be cremated", but more recent research has suggested that this may not be true at all, and that the brain was removed and preserved with neither Einstein's prior permission nor the permission of his close relatives. Hans Albert Einstein, the physicist’s son, agreed to the removal after the event but insisted that his father’s brain should be used only for research to be published in scientific journals of high standing.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Albert Einstein Albert Einstein (1879 - 1955)

Albert Einstein is without doubt the most famous scientist of the 20th centaury. The connection Einstein discovered between energy and mass is expressed in the equation E m.
Here E represents energy, m represents mass, and is a very large number (speed of light in a vacuum, which is a whopping 299,792,458 meters per second).

Now everyone knows that E=mc² is a really important equation, but they usually don't know what it means. Which is amazing when you think about it, because the equation is so short that you'd think it would be simple to understand. There are plenty of books that try to explain it, but who can honestly say they understand them?

 

Even first-hand instruction by Einstein himself doesn't always help, as Chaim Weizmann commented when he took a long Atlantic crossing with Einstein in 1921: " Einstein explained his theory to me every day," Weizmann said, "and on my arrival I was fully convinced that he understood it."

The famous equation suggests that tiny amounts of mass could be converted into huge amounts of energy and presaged the development of nuclear power. Einstein's 1905 work on relativity remained controversial for many years, but after many experiments proved it to be true it was eventually accepted by leading physicists, starting with the famous Max Planck who is considered to be the founder of Quantum Theory.

In November of 1919, Albert Einstein became an overnight celebrity, thanks to a solar eclipse. An experiment had confirmed that light rays from distant Stars were deflected by the gravity of the Sun in just the amount he had predicted in his theory of gravity, general relativity.
General Relativity was the first major new theory of gravity since Isaac Newton's more than 250 years earlier .However,
Einstein
later considered his 1917 paper founding cosmology as a "blunder". The theory of general relativity predicted an expanding or contracting Universe, but Einstein wanted a Universe which is an unchanging three dimensional sphere, like the surface of a three dimensional ball in four dimensions, but this type of Universe is not consistent with his own theory of relativity

He stabilized his solution by introducing a new notion, the cosmological constant, and when the Universe was shown to be expanding, he retracted the constant as a "blunder".
This is not really much of a blunder however, as the cosmological constant is necessary within general relativity as it is currently understood.
General Relativity may be the biggest leap of the scientific imagination in history. Unlike many previous scientific breakthroughs, such as the principle of natural selection, or the discovery of the physical existence of atoms, General Relativity had little foundation upon the theories or experiments of the time. No one except Einstein was thinking of Gravity as equivalent to acceleration, as a geometrical phenomenon, or as a bending of time and space. Although it is impossible to know, many physicists believe that without Einstein, it could have been another few decades or more before another physicist worked out the concepts and mathematics of General Relativity.

So, Einstein may have been right after all there really is a repulsive form of Gravity in space. Einstein first conceived of the notion of a repulsive force in space in his attempt to balance the Universe against the inward pull of its own Gravity, which he thought would ultimately cause the Universe to implode. His "Cosmological Constant" to represent the possibility that even empty space has energy and couples to Gravity. Like other astronomers of the time, he thought that the Universe was static and so proposed there was a repulsive force from space that kept the Universe in balance. Einstein discarded his own findings in 1929, when Edwin Hubble found through his research that the Universe was expanding and not static. Today, new data from Hubble may well prove Einstein was on the right track. It was Dr Adam Riess and the members of the High-z Supernova Team and the Supernova Cosmology Project who used the ground-based telescopes and Hubble to detect the acceleration of the expansion of space from observations of distant supernovae.

Disputed Consent

In 1978, Einstein's brain was rediscovered in the possession of Dr. Harvey by journalist Steven Levy. The brain sections had been preserved in alcohol in two large mason jars within a cider box for over 20 years.
..what a way to go!

Einstein Quotes:

  • "Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius -- and a lot of courage -- to move in the opposite direction."
  • "Imagination is more important than knowledge."
  • "Gravitation is not responsible for people falling in love."
  • "I want to know God's thoughts; the rest are details."
  • "The hardest thing in the world to understand is the income tax."
  • "Reality is merely an illusion, albeit a very persistent one."
  • "The only real valuable thing is intuition."
  • "A person starts to live when he can live outside himself."
  • "I am convinced that He (God) does not play dice."
  • "God is subtle but he is not malicious."

 

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The next Space Station supply craft coming off the production line has been named after Albert Einstein. Launch is expected in early 2013. And about time too, I say.

LogoTit-Bit-of-InfoAlbert Einstein's brain has often been a subject of research and speculation. Einstein's brain was removed within 7 and half hours of his death. The brain has attracted attention because of Einstein's reputation for being one of the foremost geniuses of the 20th century, and apparent regularities or irregularities in the brain have been used to support various ideas about correlations in neuroanatomy with general or mathematical intelligence. Scientific studies have suggested that regions involved in speech and language are smaller, while regions involved with numerical and spatial processing are larger.

 

Illustration of the bending of planet gravity
General Relativity
predicts the gravitational bending of light by massive bodies

Neils Bohr

Neils Bohr
Whereas Einstein sought a physics that would tell him what was happening in the real world "behind" the equations. Bohr was interested in the equations themselves and did not worry about an underlying reality. The two men would have public disputes about quantum physics. But it is these debates that gave birth to the 20th centaury philosophy of science.

:logoTit-bit-of-info
One day Einstein’s car driver, who had attended all his lectures, told him that he could give lectures instead of him. At the next lecture Einstein sat at the back of the hall in the driver’s uniform while driver delivered the lecture in Einstein’s dress. At the end, one person from the audience asked a difficult question, to which the driver said,
oh that is very simple question, even my driver sitting at the back will be able to answer it”.

  • Weakness of attitude becomes weakness of character."
  • "I never think of the future. It comes soon enough."
  • "The eternal mystery of the world is its comprehensibility."
  • "Sometimes one pays most for the things one gets for nothing."
  • "Science without religion is lame. Religion without science is blind."
  • "Anyone who has never made a mistake has never tried anything new."
  • "Great spirits have often encountered violent opposition from weak minds."
  • "Everything should be made as simple as possible, but not simpler."
  • "Common sense is the collection of prejudices acquired by age eighteen."
  • "Science is a wonderful thing if one does not have to earn one's living at it."
  • "The secret to creativity is knowing how to hide your sources."