Know About Light Physics: an Overview of Light Physics

An overview of light physics

Quantum entanglement is a physical phenomenon that occurs when a pair or group of particles is generated, interact, or share spatial proximity in a way such that the quantum state of each particle of the pair or group cannot be described independently of the state of the others, including when the particles are separated by a large distance. The topic of quantum entanglement is at the heart of the disparity between classical and quantum physics: entanglement is a primary feature of quantum mechanics lacking in classical mechanics.

Measurements of physical properties such as position, momentum, spin, and polarization performed on entangled particles can, in some cases, be found to be perfectly correlated. For example, if a pair of entangled particles is generated such that their total spin is known to be zero, and one particle is found to have clockwise spin on a first axis, then the spin of the other particle, measured on the same axis, is found to be counterclockwise. However, this behavior gives rise to seemingly paradoxical effects: any measurement of a particle's properties results in an irreversible wave function collapse of that particle and changes the original quantum state. With entangled particles, such measurements affect the entangled system as a whole.

Such phenomena were the subject of a 1935 paper by Albert Einstein, Boris Podolsky, and Nathan Rosen, and several papers by Erwin Schrödinger shortly thereafter, describing what came to be known as the EPR paradox. Einstein and others considered such behavior impossible, as it violated the local realism view of causality (Einstein referring to it as "spooky action at a distance") and argued that the accepted formulation of quantum mechanics must therefore be incomplete.

Later, however, the counterintuitive predictions of quantum mechanics were verified in tests where polarization or spin of entangled particles was measured at separate locations, statistically violating Bell's inequality. In earlier tests, it couldn't be ruled out that the result at one point could have been subtly transmitted to the remote point, affecting the outcome at the second location. However, so-called "loophole-free" Bell tests have been performed where the locations were sufficiently separated that communications at the speed of light would have taken longer-in one case, 10,000 times longer-than the interval between the measurements.

According to some interpretations of quantum mechanics, the effect of one measurement occurs instantly. Other interpretations which don't recognize wavefunction collapse dispute that there is any "effect" at all. However, all interpretations agree that entanglement produces correlation between the measurements and that the mutual information between the entangled particles can be exploited, but that any transmission of information at faster-than-light speeds is impossible.

Quantum entanglement has been demonstrated experimentally with photons, neutrinos, electrons, molecules as large as buckyballs, and even small diamonds. The utilization of entanglement in communication, computation and quantum radar is a very active area of research and development.

How can I group the following topics into smaller categories? (SCiENCE HELP)? of light physics

Atoms: chemistry

Prime Numbers: math

Four Classic Elements: chemistry

Optics: physics

Infectious Diseases.: bilogy/medicine

Quadratic Equations.: math

Newton's First Law.: physics

Blood Circulation.: biology

Microorganisms.: biology

Boyle's Ideal Gas Law: chemistry

Lighting: physics

Projectile Motion: physics

Fibonacci Spiral: math

Extinction: biology/ecology

Trigonometry: math

Cell Theory: biology

Speed Of Light: physics

States Of Matter: chemistry

Atomic Theory: physics

Radioactive Decay: physics

DNA: biology

Enzymes: biology

As you may already know, sciences are all related to each other like so many things in chemistry and physics are related also stuff in math are related as well. The major categorize are like that.

Does anybody know of any websites that are total scams? And if so, is this by experience? Tell us a story? of light physics

There are many but i will tell you this is funny. Me and my cousin were involved heavy in internet advertising. He had a software company only he and I would do that others will work on different things.

One morning he was all mad and stuff like that I asked him what the heck he said well i got an email saying $10 for a projector tv and he wanted to try it he just wanted to know how their advertising system worked and the colors used and stuff like that.

All he got a pdf document which said get cardboards box your tv around and light physics things and project it on to a wall. What was funny was it said if the image is inverted then keep your TV upside down.

Now you can't sue that company cuz they did deliver a pdf doc.

Lol he wasnt made that he lost the money it happened early in the morning and we discussed afterward about it and thought it was cool and the guy was brilliant.

lol. 5th grade physics.

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