What is Quantum Entanglement? Explained Easily / Quantum Physics & Mechanics

12 Jan 2015

Does quantum entanglement make faster-than-light communication possible?
What is NOT random? http://bit.ly/NOTrandoVe

First, I know this video is not easy to understand. Thank you for taking the time to attempt to understand it. I’ve been working on this for over six months over which time my understanding has improved. Quantum entanglement and spooky action at a distance are still debated by professors of quantum physics (I know because I discussed this topic with two of them).

Does hidden information (called hidden variables by physicists) exist? If it does, the experiment violating Bell inequalities indicates that hidden variables must update faster than light – they would be considered ‘non-local’. On the other hand if you don’t consider the spins before you make the measurement then you could simply say hidden variables don’t exist and whenever you measure spins in the same direction you always get opposite results, which makes sense since angular momentum must be conserved in the universe.

Everyone agrees that quantum entanglement does not allow information to be transmitted faster that light. There is no action either detector operator could take to signal the other one – regardless of the choice of measurement direction, the measured spins are random with 50/50 probability of up/down.

Special thanks to:
Prof. Stephen Bartlett, University of Sydney: http://bit.ly/1xSosoJ
Prof. John Preskill, Caltech: http://bit.ly/1y8mJut

Physicists in Oppenheimer: Max Born, Heisenberg, Niels Bohr & Isidor Isaac / Quantum Physics & The basis of Quantum Mechanics

All Physicists In Oppenheimer & Their Scientific Contributions

6 Aug 2023

In the crucible of World War II, amidst chaos and conflict, a clandestine assembly of brilliant minds, under the leadership of J. Robert Oppenheimer, embarked on an unprecedented mission with far-reaching consequences. One of the key figures in this endeavour was Ernest Lawrence, portrayed by Josh Hartnett, who revolutionized cyclotrons and contributed to the discovery of elements through nuclear fission. Leo Szilard, played by Máté Haumann, was instrumental in initiating the project, urging President Roosevelt to develop atomic weapons and later advocating for a peaceful use of atomic energy. Niels Bohr, portrayed by Kenneth Branagh, provided valuable advice and continued to champion peaceful applications of atomic knowledge. Edward Teller, known as “the father of the hydrogen bomb,” played by While Safdie, played a pivotal role in the development of fusion-based weapons, despite differences with Oppenheimer.

Hans Bethe, portrayed by Gustaf Skarsgård, oversaw the crucial T (Theoretical) Division that calculated the power of the atomic bomb and later became an advocate for arms control. Isidor Isaac Rabi, played by David Krumholtz, brought scientific expertise and organizational skills to the project, supporting Oppenheimer during his hearings. David Hill, portrayed by Rami Malik, testified against unfair treatment of Oppenheimer during Strauss’s Senate confirmation hearing. Vannevar Bush, played by Matthew Modin, played a crucial administrative role in initiating and prioritizing the Manhattan Project. Robert Serber, played by Michael Angarano, provided essential lectures and theories vital to the atomic bomb’s design. Richard Feynman, portrayed by Jack Quaid, developed critical formulas and contributed to safety procedures. Albert Einstein, portrayed by Tom Conti, lent his support to the nuclear program after being convinced by Szilard.

Kenneth Bainbridge, played by Josh Peck, directed the Trinity test, and Enrico Fermi, portrayed by Danny Deferrari, led the creation of the first nuclear reactor. Seth Neddermeyer, played by Devon Bostick, supported the implosion technique, and Luis Walter Alvarez, portrayed by Alex Wolff, made crucial inventions for the bomb’s success. Klaus Fuchs, portrayed by Christopher Denham, infamously spied for the Soviet Union, and Werner Heisenberg, played by Matthias Schweighöfer, played a significant role in Germany’s atomic program. Together, these brilliant scientists’ collective genius gave birth to the most devastating weapon the world had ever seen, ending the greatest war in history.

11 Dec 2022

Max Born Biography, German Mathematician and Physicist’s Life and Contributions to Science Name Surname: Max Born Date of Birth: 11 December 1882 From: Poland Occupations: Physicist , Mathematician Death Date: 05 January 1970 Max Born , German mathematician and physicist who was influential in the development of quantum theory .

He also contributed to solid state physics and optics and supervised the work of important physicists in the 1920s-30s. Born received the Nobel Prize in Physics in 1954 for his work “On researching the basis of quantum mechanics , especially on statistical interpretation of the wave function”

19 Jul 2023

Upon returning to Los Alamos in 1983 for the lab’s 40th anniversary, Rabi told CBS News he had “sorrow that the place still exists.”

29 Dec 2023

“Why do we have to do it this way?” “Wouldn’t it be better to do it another way?” Ask a lot of questions. A person who asks a lot of good questions can create something different from others. Because our brains are programmed to answer questions.

27 Sept 2017

Hungarian-American physicist, Edward Teller (1908-2003), helped to develop the atomic bomb and provided the theoretical framework for the hydrogen bomb. He remained a staunch advocate of nuclear power, calling for the development of advanced thermonuclear weapons. [Listener: John H. Nuckolls]

TRANSCRIPT: I would like to finish my story about Bohr and, in a way, about Heisenberg, by telling you of a very sad fact. When the Nazis came, when Hitler occupied Denmark, Bohr was in danger of his life. He had a Jewish grandfather, I think, at least. He was to escape. Shortly before that, Heisenberg listened- came to him. Bohr came out to America and told us that Heisenberg is working on the atomic bomb for the Nazis. Heisenberg and Bohr have been good friends. Bohr did enormous damage to Heisenberg‘s reputation.

I heard him say that, I even heard him say that in a one-to-one conversation. I never quite believed it. I went back to Germany, found out – in more ways than in a short time I can tell you – but found out what actually happened. Heisenberg went to visit Bohr, he had to talk with him. He talked with him in his home, the Carlsberg Castle, the, the beer producing Carlsberg people or- I don’t know whether it was beer, but they gave it to Bohr. And when they were talking indoors and Heisenberg was afraid that there might be- that the Nazis might have put in listening apparatus, he said things- I am working for my government and it’s good to work for my country.

That is what Bohr quoted. Then they went out into the garden and Heisenberg was no longer afraid. And then he added- I am with a group working on the atomic bomb. I hope we won’t succeed. I hope the Americans won’t succeed either. I cannot do otherwise than give an ab- abbreviated version of all this but here is one point, one generalization which I would like to make. My years in Germany, about which I want to talk a little more later, have been at a wonderful constructive period of science. Hitler destroyed it. You were not allowed to talk about Einstein. A Jewish lie, relativity. Heisenberg resisted it. I have many detailed indications that Heisenberg, if he did not directly sabotage the work on the atomic bomb, he never seriously worked on it.

After war he and maybe ten other people were taken to a place in England and kept there and now the British did listen by secret apparatus to what they were saying to each other. I couldn’t get that record until two years ago when it was published. And Heisenberg said about atomic bombs some of things which clearly prove that he did not think about the subject. They were told in August 1945 that we’d dropped an atomic bomb and the Germans didn’t believe it. And then Heisenberg told them- Perhaps they did, and explained to them how the atomic bomb worked, wrongly so.

A point about which I am very proud because the mistake that Heisenberg then made, I made a few years earlier when I was starting to think about it – and found out within a few months that it was wrong. That Heisenberg should make the same mistake gives me pleasure. But it shows, in the case of the excellent intelligence of Heisenberg, that he never seriously tried to work on the subject.

8 Apr 2019

Top 20 Quotes of Isidor Isaac Rabi:
■ I think physicists are the Peter Pans of the human race. They never grow up and they keep their curiosity.
■ My mother made me a scientist without ever intending to. Every other Jewish mother in Brooklyn would ask her child after school, So? Did you learn anything today? But not my mother. Izzy, she would say, did you ask a good question today? That difference – asking good questions – made me become a scientist.
■ If you decide you don’t have to get A’s, you can learn an enormous amount in college.
■ [Science is] a great game. It is inspiring and refreshing. The playing field is the universe itself.
■ As yet, if a man has no feeling for art he is considered narrow-minded, but if he has no feeling for science this is considered quite normal. This is a fundamental weakness.
■ Physics filled me with awe, put me in touch with a sense of original causes. Physics brought me closer to God. That feeling stayed with me throughout my years in science. Whenever one of my students came to me with a scientific project, I asked only one question, ‘Will it bring you nearer to God?’
■ There are questions which illuminate, and there are those that destroy. I was always taught to ask the first kind.
■ The scientist does not defy the universe. He accepts it. It is his dish to savour, his realm to explore; it is his adventure and never-ending delight. It is complaisant and elusive but never dull. It is wonderful both in the small and in the large. In short, its exploration is the highest occupation for a gentleman.
■ Physics is an other-world thing, it requires a taste for things unseen, even unheard of- a high degree of abstraction… These faculties die off somehow when you grow up… profound curiosity happens when children are young. I think physicists are the Peter Pans of the human race… Once you are sophisticated, you know too much- far too much. Pauli once said to me, “I know a great deal. I know too much. I am a quantum ancient.”.
■ You know that, according to quantum theory, if two particles collide with enough energy you can, in principle, with an infinitesimal probability, produce two grand pianos.
■ Science itself is badly in need of integration and unification. The tendency is more and more the other way … Only the graduate student, poor beast of burden that he is, can be expected to know a little of each. As the number of physicists increases, each specialty becomes more self-sustaining and self-contained. Such Balkanization carries physics, and indeed, every science further away, from natural philosophy, which, intellectually, is the meaning and goal of science.
■ It was eerie. I saw myself in that machine. I never thought my work would come to this. Upon seeing a distorted image of his face, reflected on the inside cylindrical surface of the bore while inside an MRI (magnetic-resonance-imaging) machine-a device made possible by his early physical researches on nuclear magnetic resonance (1938).
■ We must also teach science not as the bare body of fact, but more as human endeavor in its historic context-in the context of the effects of scientific thought on every kind of thought. We must teach it as an intellectual pursuit rather than as a body of tricks.
■ To me, science is an expression of the human spirit, which reaches every sphere of human culture. It gives an aim and meaning to existence as well as a knowledge, understanding, love, and admiration for the world. It gives a deeper meaning to morality and another dimension to esthetics.
■ There isn’t a scientific community. It is a culture. It is a very undisciplined organization.
■ Most new insights come only after a superabundant accumulation of facts have removed the blindness which prevented us from seeing what later comes to be regarded as obvious.
■ My ideal man is Benjamin Franklin-the figure in American history most worthy of emulation … Franklin is my ideal of a whole man. … Where are the life-size-or even pint-size-Benjamin Franklins of today?
■ Suddenly, there was an enormous flash of light, the brightest light I have ever seen or that I think anyone has ever seen. It blasted; it pounced; it bored its way into you. It was a vision which was seen with more than the eye. It was seen to last forever. You would wish it would stop; altogether it lasted about two seconds.
■ It was eerie. I saw myself in that machine. I never thought my work would come to this.
■ We gave you an atomic bomb, what do you want, mermaids?

6 Oct 2020

Isidor Isaac Rabi was an American physicist who won the Nobel Prize in Physics in 1944 for his discovery of nuclear magnetic resonance, which is used in magnetic resonance imaging.

In this short clip, Best-selling author and physicist Safi Bahcall explains the one reason that Rabi gave as to how we won the Nobel Prize.

Why Einstein rejected the atomic bomb project | History, Science & Tech

18 Jun 2017

Albert Einstein becomes a United States citizen and faces a moral dilemma in service to his new country.

24 Jul 2023

Enhanced Colored Footage of Albert Einstein taking Plea on Atomic Bomb

11 Mar 2013

Albert Einstein talks about theory of relativity, graphics show equation E = MC squared (E=MC2); explains the theory of relativity.

Einstein smoking pipe, reading. Looking at formula. Einstein meets with Professor Solard. Letter being typed in typewriter. Einstein with scientists in office, read proclamation for peaceful use of atomic power. Einstein says “I agree”.

Young Albert Einstein at party (VERY NICE).

Camera pans across men and women at a testimonial dinner, including Albert Einstein (1920s). Great shots of black tie affair with dignitaries and the rich enjoying a swell lavish time. (Very 19210-20s Germany) Shots of the following men at the dinner: Tristan Bernard, Max Von Schillings, Albert Einstein, Helmut Gerlach.

Albert Einstein delivers a speech (pre-WWII), mentioning his gratitude at being “a man, a European and a Jew” and the importance of freedom. Nice long speech clip citing other men of science.

CU Albert Einstein speaks of danger of nuclear suicide.

Einstein (CU talking, NO AUDIO).

David Ben-Gurion with Albert Einstein.

Black hole on site !

FILE PHOTO: A supermassive black hole with millions to billions times the mass of our sun is seen in an undated NASA artist's concept illustration

© Reuters/NASA NASA FILE PHOTO: A supermassive black hole with millions to billions times the mass of our sun is seen in an undated NASA artist’s concept illustration

WASHINGTON (Reuters) – Scientists are expected to unveil on Wednesday the first-ever photograph of a black hole, a breakthrough in astrophysics providing insight into celestial monsters with gravitational fields so intense no matter or light can escape.

The U.S. National Science Foundation has scheduled a news conference in Washington to announce a “groundbreaking result from the Event Horizon Telescope (EHT) project,” an international partnership formed in 2012 to try to directly observe the immediate environment of a black hole.

Simultaneous news conferences are scheduled in Brussels, Santiago, Shanghai, Taipei and Tokyo.

A black hole’s event horizon, one of the most violent places in the universe, is the point of no return beyond which anything – stars, planets, gas, dust, all forms of electromagnetic radiation including light – gets sucked in irretrievably.

While scientists involved in the research declined to disclose the findings ahead of the formal announcement, they are clear about their goals.

“It’s a visionary project to take the first photograph of a black hole. We are a collaboration of over 200 people internationally,” astrophysicist Sheperd Doeleman, director of the Event Horizon Telescope at the Center for Astrophysics, Harvard & Smithsonian, said at a March event in Texas.

The news conference is scheduled for 9 a.m. (1300 GMT) on Wednesday.

The research will put to the test a scientific pillar – physicist Albert Einstein’s theory of general relativity, according to University of Arizona astrophysicist Dimitrios Psaltis, project scientist for the Event Horizon Telescope. That theory, put forward in 1915, was intended to explain the laws of gravity and their relation to other natural forces.

SUPERMASSIVE BLACK HOLES

The researchers targeted two supermassive black holes.

The first – called Sagittarius A* – is situated at the center of our own Milky Way galaxy, possessing 4 million times the mass of our sun and located 26,000 light years from Earth. A light year is the distance light travels in a year, 5.9 trillion miles (9.5 trillion km).

The second – called M87 – resides at the center of the neighboring Virgo A galaxy, boasting a mass 3.5 billion times that of the sun and located 54 million light-years away from Earth. Streaming away from M87 at nearly the speed of light is a humongous jet of subatomic particles.

Black holes, coming in a variety of sizes, are extraordinarily dense entities formed when very massive stars collapse at the end of their life cycle. Supermassive black holes are the largest kind, devouring matter and radiation and perhaps merging with other black holes.

Psaltis described a black hole as “an extreme warp in spacetime,” a term referring to the three dimensions of space and the one dimension of time joined into a single four-dimensional continuum.

Doeleman said the project’s researchers obtained the first data in April 2017 from a global network of telescopes. The telescopes that collected that initial data are located in the U.S. states of Arizona and Hawaii as well as Mexico, Chile, Spain and Antarctica. Since then, telescopes in France and Greenland have been added to the network.

The scientists also will be trying to detect for the first time the dynamics near the black hole as matter orbits at near light speeds before being swallowed into oblivion.

Slide 38 of 81: 396536 01: This the European Space Agency photgraph released October 25, 2001 shows a supermassive black hole in the core of galaxy named MCG-6-30-15 as seen through the X-ray Multi-Mirror Mission (XMM-Newton) satellite. With this type of imaging, scientists for the first time have seen energy being extracted from a black hole. Like an electric dynamo, this black hole spins and pumps energy out through cable-like magnetic field lines into the chaotic gas whipping around it, making the gas - already infernally hot from the sheer force of crushing gravity - even hotter. (Photo by ESA/Getty Images)This ESA photograph released on Oct. 25, 2001 shows a supermassive black hole in the core of galaxy named MCG-6-30-15 as seen through the X-ray Multi-Mirror Mission (XMM-Newton) satellite. With this type of imaging, scientists for the first time saw energy being extracted from a black hole.

The fact that black holes do not allow light to escape makes viewing them difficult. The scientists will be looking for a ring of light – radiation and matter circling at tremendous speed at the edge of the event horizon – around a region of darkness representing the actual black hole. This is known as the black hole’s shadow or silhouette.

Einstein’s theory, if correct, should allow for an extremely accurate prediction of the size and shape of a black hole.

“The shape of the shadow will be almost a perfect circle in Einstein’s theory,” Psaltis said. “If we find it to be different than what the theory predicts, then we go back to square one and we say, ‘Clearly, something is not exactly right.'”

Famous People’s lives that will inspire you !

Albert Einstein

Low Points In The Lives Of These 15 Famous People Will Truly Inspire You

“If you’re going through hell, keep going.”

– Winston Churchill

The road to success is a hard one that, quite often, leads us to failures that turn into low points in our lives. It requires a lot of hard work, patience and courage to face challenges; things that do not come easy. Failure before success is the norm but the fact remains that it is simply a step towards success.

Many famous people have had to overcome numerous hurdles on their journey to become successful. Their failures brought them to the lowest points of their lives (where many would consider giving up or retreating). Nonetheless, their hard work delivered them what they struggled for and their determination is now an inspiration to many.

If you ever find yourself feeling down about failures in your life and are in need of a little inspiration to push through it, here are some inspirational stories of people who pressed forward through hard times to find success and become famous.

1. Walt Disney

1

Walt Disney had had his fair share of failures- he was fired from his job in the Kansas City Star paper because “he lacked imagination and had no good ideas”; his Mickey Mouse cartoons were rejected for being “too scary for women”; ‘The Three Little Pigs’ was also turned down because it only had four characters; his first business venture, Laugh-O-Gram animation studio landed in bankruptcy.

Stepping forward through failures, he built the Walt Disney Company which now rakes in billions. Rumor has it that he was turned down 302 times before he finally got financing for the Walt Disney Company.

2. Harrison Ford

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Before Harrison Ford was Han Solo and Indiana Jones, he was a self-taught carpenter in his 30s, struggling to take care of his family. He had small roles in TV shows but barely enough to support his family. So he became a carpenter.

He was building cabinets in George Lucas’s house who offered him a supporting role in “American Graffiti” at age 29. But his big break was 6 years later in Star Wars as Han Solo, created by the same George Lucas.

3. Sylvester Stallone

66ème Festival de Venise (Mostra)

Sylvester Stallone had had a tough break before he was a Hollywood star. In his 20s, he used to be a deli counter attendant and was so broke that he sold his wife’s jewelry. At a point he was so desperate that he had to sell his dog to a stranger at a liquor store for $25.

He says that was the lowest point in his life where he walked away crying. Then, he made “Rocky” happen and the rest of the story is out in the open. Guess what he did with his first pay? He bought back his dog for $15000.

4. J.K Rowling

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Now one of the richest women in the world, J K Rowling was once penniless, divorced, raising a child alone and going through series of depressions.

She was so broke that she didn’t even have the money to print the manuscript of Harry Potter which, therefore, she typed all 9000 plus words on an old typewriter manually to submit to the publisher.

5. Arianna Huffington

5

The president and the editor-in-chief of The Huffington Post is a prominent figure in US Politics but she has had a bitter taste of failure when she finished fifth with only 0.55 percent of the vote  in 2003 California’s gubernatorial race.

Despite having sold her first book successfully, her second book was rejected 36 times. She has now published 13 books and the success of The Huffington Post is incredible–all suggesting that she learned a great deal from her failures.

6. Donald Trump

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Donald Trump was once $1 billion in debt. He owed billions of dollars in the early 1990s and newspapers were saying he was done for good. One day, he said to his daughter, pointing out a homeless man, “See that bum? He has a billion dollars more than me.” That, he says, was the lowest point in his life.

Then, he made happen the biggest financial turnaround in history for which he is listed in the Guinness Book of Records. He was once $1 billion in debt but Donald Trump net worth now is $4.5 billion.

7. Michael Jordan

7

Michael Jordan is, undisputedly, the most famous basketball player in the world. As a kid, he knew he loved basketball and wanted to make a career out of it but no coach would take him because he was short.

The basketball legend was rejected from his high school’s varsity basketball team. Jordan pressed forward through all these failures which defined his success.

8. Albert Einstein

8

Albert Einstein could not speak until he was four and he did not read until he was seven. His parents and teachers thought he was slow, mentally handicapped and anti-social. He was expelled from school and was denied admittance in Zurich Polytechnic School.

Now Einstein is a household name, a synonym to “genius”–credited for having changed the world with his discoveries.

9. Abraham Lincoln

9

Young Abraham Lincoln was once promoted to captain, but he returned home a low-ranked private. Then he tried on many businesses, all of which landed in failure.

Coming from a very poor family, he went on to become a successful lawyer through a great deal of hardship. He lost several runs for public office, none of which could dissuade him from trying and becoming the president of the United States.

10. Jim Carrey

10

This successful comedian, at one point of time, was living in a VW bus with his family, parked throughout Canada. His family was so poor that he had to drop out of high school to find a job.

He took a job of a janitor just to support his family. Carrey says that he developed a sense of humor growing up during these financially tough times.

11. Stephen King

11

We all know about the success of this master of horror. Only a few of us know that his bestselling novel, Carrie, was rejected 30 times before it was published. He actually threw away the manuscript in the trash out of despair.

He came from a poor family and worked as an English teacher, selling short stories to magazines to supplement his income. Today, he has over 50 novels selling over 350 million copies.

12. Thomas Edison

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Thomas Edison’s teachers said he was “too stupid to learn anything” so his mother took him off the school and taught him herself. Also he was fired from his first two jobs for not being “productive enough”.

Ironically, Thomas Edison is now considered one of the greatest innovatorsof all time. His success after over 10,000 failed attempts to invent a commercially viable lightbulb has set a good example of what perseverance truly is.

13. Steven Spielberg

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Steven Spielberg is considered one of the greatest movie makers of our time who gave us the movies like Jaws, Jurassic Park, Saving Private Ryan and a few more. It sounds incredible that he was rejected from the University of Southern California’s School of Cinema Arts – not once but twice.

He didn’t let that drag him off track from his dream of movie making; he pressed on and now he’s successful enough to donate money and buildings to the same school where he was once rejected.

14. Henry Ford

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Henry Ford set up one of the most successful automotive companies of all time but he is no stranger to failure. In 1899, he formed the Detroit Automobile Company. It went bankrupt.

Again in 1901, he formed the Henry Ford Company. That too went bankrupt. It was the Ford Motor Company, his third attempt that drove him up to the peak of success and revolutionized the automobile industry.

15. Oprah Winfrey

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This TV icon has had a very tragic past. Born in a poor family, she gave birth at age 14 and lost the child. She used to be molested by her cousins, uncles and family friends. She rose from all that hardship to work in TV.

Now she is one of the richest women in the world with net worth of $2.9 billion.

Featured photo credit: Wikimedia via upload.wikimedia.org