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Quantum Mechanics

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jakob hopel

on 29 October 2013

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Transcript of Quantum Mechanics

Quantum Engineering
Quantum Mechanics
Why is This Important?
Notable Scientist
Notable experiments
Development of Quantum Mechanics
With hundreds of jobs available, the employment opportunities for quantum physicists appear very good and are expected to remain healthy for at least the next several years. Their average annual income is in the range of $170,000 to $280,000.
Qualifactions Needed
To become a Quantum Engineer, you would need to first complete a bachelor’s degree in physics, which typically lasts four years. Science-focused classes are essential to helping you to master the skills that you need in this field. You should study mechanics, electricity, and physics. With a four-year degree, you can become a quantum physicist who works in a research assistant.
Although a bachelor’s degree is sufficient to claim entry-level jobs, you need to pursue a master’s degree to increase your employment opportunities as a researcher. Before you can graduate and become a quantum physicist. Master’s degree programs often teach general physics, but feature specialized quantum physics courses.
With Quantum Mechanics, every rule, law or principle about science that you knew, no longer applies.
What is Quantum Mechanics?
Well, it is a branch of physics that deals with
phenomena at a microscopic scale.

The first thing that needs to be understood about this is that a quantum is the energy produced from 1 photon.

The 2 main theories of Quantum Mechanics is:
Energy Is continuous
The Movement of Particles is random.
detailed description of the career chosen, education requirements, salary and any additional qualifications/certifications that might be needed. Also, include any past scientists who have made their mark in the profession and any historical events that have impacted our world.
The Simplest way I could explain it is like this:
Let's say you are throwing a rubber ball against a wall. You know you don't have enough energy to throw it through the wall, so you always expect it to bounce back. Quantum mechanics, however, says that there is a small probability that the ball could go right through the wall (without damaging the wall) and continue its flight on the other side! With something as large as a rubber ball, though, that probability is so small that you could throw the ball for billions of years and never see it go through the wall. But with something as tiny as an electron, tunneling is an everyday occurrence.
In the early 20th century some experiments produced results which could not be explained by classical physics (the science developed by Galileo Galilei, Isaac Newton, etc.). For instance, it was well known that electrons orbited the nucleus of an atom. However, if they did so in a manner which resembled the planets orbiting the sun, classical physics predicted that the electrons would spiral in and crash into the nucleus within a fraction of a second.
Obviously that doesn't happen, or life as we know it would not exist. (Chemistry depends upon the interaction of the electrons in atoms, and life depends upon chemistry). That incorrect prediction, along with some other experiments that classical physics could not explain, showed scientists that something new was needed to explain science at the atomic level.
On the flip side of tunneling, when a particle encounters a drop in energy there is a small probability that it will be reflected. In other words, if you were rolling a marble off a flat level table, there is a small chance that when the marble reached the edge it would bounce back instead of dropping to the floor! Again, for something as large as a marble you'll probably never see something like that happen, but for photons (the massless particles of light) it is a very real occurrence.
Jan Ambjørn: Expert on dynamical triangulations who helped develop the causal dynamical triangulations approach to quantum gravity.

Giovanni Amelino-Camelia: Physicist who developed the idea of Doubly special relativity, and founded Quantum-Gravity phenomenology.

Abhay Ashtekar: Inventor of the Ashtekar variables, one of the founders of loop quantum gravity.

John Baez: Mathematical physicist who introduced the notion of spin foam in loop quantum gravity (a term originally introduced by Wheeler).

John W. Barrett: Mathematical physicist who helped develop the Barrett-Crane model of quantum gravity.

Julian Barbour: Philosopher and author of The End of Time, Absolute or Relative Motion?: The Discovery of Dynamics.

Martin Bojowald: Physicist who developed the application of loop quantum gravity to cosmology.

Steve Carlip: Expert on 3-dimensional quantum gravity.
The implications of quantum theory are wide ranging. Quantum mechanics has explained the structure of the atom and the structure of the nucleus. Without knowing the structure of the atom, most of the physics and chemistry that we know today wouldn't have been possible. Quantum theory predicted the existence of antimatter, and explains radioactivity.

Many applications resulting from quantum theory are in use today, and its applications in the future are potentially infinite.
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