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Matter and light have properties of both waves and particles simultaneously. The results of quantum mechanics make it clear that waves exhibit particle-like properties and particles exhibit wave-like properties, depending on the specific experiment. Quantum physics is, therefore, able to make descriptions of matter and energy based on wave equations that relate to the probability of a particle existing in a certain spot at a certain time.
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In attempts to solve the measurement problem in quantum physics, physicists frequently run into the problem of consciousness. Though most physicists try to sidestep the issue, it seems that there is a link between the conscious choice of experiment and the outcome of the experiment.
Some ph...
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Quantum physics is defined mathematically by the Schroedinger equation, which depicts the probability of a particle being found at a certain point. This probability is fundamental to the system, not merely a result of ignorance. Once a measurement is made, however, you have a definite result.
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When Albert Einstein developed the Theory of General Relativity, it predicted a possible expansion of the universe. Georges Lemaitre thought that this indicated the universe began in a single point. The name "Big Bang" was given by Fred Hoyle while mocking the theory during a radio broadcast.
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Einstein's theory of relativity is based upon the principle that the laws of physics are the same for all observers, regardless of where they are located or how fast they are moving or accelerating. This seemingly common-sense principle predicts localized effects in the form of special relativity...
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The physicist Werner Heisenberg developed the Heisenberg Uncertainty Principle, which says that when measuring the physical state of a quantum system there's a fundamental limit to the amount of precision that can be achieved.
For example, the more precisely you measure the momentum of a pa...
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In quantum theory, certain physical systems can become "entangled," meaning that their states are directly related to the state of another object somewhere else. When one object is measured, and the Schroedinger wavefunction collapses into a single state, the other object collapses into its corre...
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Recent evidence shows that were the universe just slightly different, it wouldn't exist long enough for any life to develop. The odds of a universe that we can exist in are very small, based on chance.
The controversial Anthropic Principle states that the universe can only exist such that c...
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Unified field theory is a type of theory that goes about trying to reconcile quantum physics with Einstein's theory of general relativity.
There are several specific theories that fall under the heading of unified field theory including Quantum Gravity , String Theory / Superstring Theory /...
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In quantum mechanics, particles do not possess well-defined positions and speeds. Rather, these values are represented by something called a wave function.
A wave function is a set of numbers, each one representing a different point of space. The size of the wave function ...
Erwin Schrödinger was a Nobel prize-winning physicist. Schrödinger proposed a paradox in 1935 to illustrate a point in quantum mechanics about the nature of wave particles.
At the center of quantum theory is the idea of a wave function. A wave-function describes all the possible states sub...
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