Catalog Search Results
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (32 minutes): digital, .flv file, sound
Language
English
Description
Probe the connection between entropy and the second law of thermodynamics, which states that all real processes tend to increase the entropy of the universe. Explore some important consequences of the law, including the fact that time flows in only one direction.
Publisher
The Great Courses
Pub. Date
2020.
Physical Desc
1 online resource (streaming video file) (27 minutes): digital, .flv file, sound
Language
English
Description
Continue exploring time by winding back the clock. Was there a beginning to time? Einstein’s initial equations of general relativity predicted a dynamic universe, one that might have expanded from an initial moment. Einstein discarded this idea, but since then evidence has mounted for a “Big Bang.” Is it sensible to ask what caused the Big Bang and what happened before?
Publisher
The Great Courses
Pub. Date
2017.
Physical Desc
1 online resource (streaming video file) (28 minutes): digital, .flv file, sound
Language
English
Description
Learn how two seemingly separate phenomena, electricity and magnetism, were shown by James Clerk Maxwell in the 1860s to be aspects of a single underlying force, demonstrating how unification works in physics. Then see how Maxwell's equations of electromagnetism make a remarkable prediction.
Publisher
Ideas Roadshow
Pub. Date
2020.
Physical Desc
1 online resource (streaming video file) (12 minutes): digital, .flv file, sound
Language
English
Description
Nine top physicists (Nima Arkani-Hamed, Claudia de Rham, Freeman Dyson, Scott Tremaine, Tony Leggett, Justin Khoury, David Politzer, Joanna Haigh, Paul Steinhardt) share valuable, candid advice to young and aspiring students who are motivated to become scientists.
Publisher
The Great Courses
Pub. Date
2018.
Physical Desc
1 online resource (streaming video file) (32 minutes): digital, .flv file, sound
Language
English
Description
Learn the fundamentals of nuclear reactor design, which has the task of sustaining nuclear reactions at a controlled rate in order to boil water, produce steam, and drive a generator. Explore why a nuclear reactor can't explode like a bomb, and consider pluses and minuses of the most common reactor designs in use.
Publisher
The Great Courses
Pub. Date
2009.
Physical Desc
1 online resource (streaming video file) (32 minutes): digital, .flv file, sound
Language
English
Description
Quantum mechanics is the most successful physical theory ever devised, and you learn what distinguishes it from its predecessor, classical mechanics. Professor Schumacher explains his ground rules for the course, which is designed to teach you some of the deep ideas and methods of quantum mechanics.
Publisher
The Great Courses
Pub. Date
2017.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Now step into the realm of other universes. Do they exist? If so, how could we possibly know? Start by examining the free parameters that govern the structure and behavior of our universe. Then seek answers to four crucial questions that address why the parameters take the values that they do.
Publisher
The Great Courses
Pub. Date
2018.
Physical Desc
1 online resource (streaming video file) (28 minutes): digital, .flv file, sound
Language
English
Description
High-energy radiation has been used against cancer tumors since the discovery of X-rays in 1895. Discover the powerful arsenal of radiation sources and procedures that radiation oncologists use today. Visit the Hampton University Proton Therapy Institute to look at a technique that targets cancer cells with remarkable precision, while sparing the surrounding tissues.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Language
English
Description
Define the Gibbs free energy, which is closely related to entropy and allows the determination of equilibrium for systems under realistic experimental conditions. Then encounter a related variable, enthalpy, which is useful when discussing constant pressure processes.
70) The Great Questions of Philosophy and Physics: Episode 8,Quantum States: Neither True nor False?
Publisher
The Great Courses
Pub. Date
2020.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
Enter the quantum world, where traditional philosophical logic breaks down. First, explore the roots of quantum theory and how scientists gradually uncovered its surpassing strangeness. Clear up the meaning of the Heisenberg uncertainty principle, which is a metaphysical claim, not an epistemological one. Finally, delve into John von Neumann’s revolutionary quantum logic.
Publisher
The Great Courses
Pub. Date
2018.
Physical Desc
1 online resource (streaming video file) (729 minutes): digital, .flv file, sound
Language
English
Description
Taught by Professor Lawrence Weinstein of Old Dominion University, this course explains the science, history, hazards, applications, and latest advances in nuclear physics. You learn the principles of radioactivity, how nuclear bombs and reactors work, the uses of radiation for cancer treatment and medical imaging, what makes some forms of radiation dangerous, plus you tour a linear accelerator.
Publisher
The Great Courses
Pub. Date
2017.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Study the weak nuclear force, which is responsible for beta decay: the emission of an electron from a nucleus during radioactive decay. Discover that much more is going on, including weird transformations that pose a challenge to a theory of everything.
Publisher
The Great Courses
Pub. Date
2020.
Physical Desc
1 online resource (streaming video file) (35 minutes): digital, .flv file, sound
Language
English
Description
If the point of physics is to explain reality, what counts as an explanation? Professor Gimbel goes deeper to probe what makes some explanations scientific and whether physics actually explains anything. Along the way, he explores Bertrand Russell’s rejection of the notion of cause, Carl Hempel’s account of explanation, and Nancy Cartwright’s skepticism about scientific truth.
Publisher
The Great Courses
Pub. Date
2009.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
You focus on the Einstein-Bohr debate, which pitted Einstein's belief that quantum events can, in principle, be known in every detail, against Bohr's philosophy of complementarity - the view that a measurement of one quantum variable precludes a different variable from ever being known.
Publisher
The Great Courses
Pub. Date
2009.
Physical Desc
1 online resource (streaming video file) (32 minutes): digital, .flv file, sound
Language
English
Description
You investigate the age-old debate over whether the physical world is discrete or continuous. By the 19th century, physicists saw a clear demarcation: Matter is made of discrete atoms, while light is a continuous wave of electromagnetic energy. However, a few odd phenomena remained difficult to explain.
Publisher
The Great Courses
Pub. Date
2009.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Macroscopic objects obey the snowflake principle. No two are exactly alike. Quantum particles do not obey this principle. For instance, every electron is perfectly identical to every other. You learn that quantum particles come in two basic types: bosons, which can occupy the same quantum state; and fermions, which cannot.
Publisher
The Great Courses
Pub. Date
2009.
Physical Desc
1 online resource (streaming video file) (28 minutes): digital, .flv file, sound
Language
English
Description
Light propagates through space as a wave, but it exchanges its energy in the form of particles. You learn how Louis de Broglie showed that this weird wave-particle duality also applies to matter, and how Max Born inferred that this relationship makes quantum mechanics inherently probabilistic.
Publisher
The Great Courses
Pub. Date
2018.
Physical Desc
1 online resource (streaming video file) (28 minutes): digital, .flv file, sound
Language
English
Description
The discovery of the neutron in 1932 led to the insight that neutrons can incite certain heavy elements to fission (break apart), releasing more neutrons and a prodigious amount of energy. In this lecture, lay the groundwork for understanding nuclear weapons and nuclear power by investigating nuclei that are prone to fission, how to initiate fission, and the "daughter nuclei" that result.
Publisher
The Great Courses
Pub. Date
2018.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
Now open the hood to see how the nucleus works. Start simple with a hydrogen atom, which has a nucleus of one proton orbited by a single electron. Build from there, adding neutrons and more protons, forging elements and their isotopes and seeing how the nucleus behaves much like a liquid drop. Then use the Fermi gas model to refine your understanding of nuclear structure.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Language
English
Description
Marvel at the power of osmosis by investigating the thermodynamic force that drives a liquid to flow from one side of a barrier to another. This force is called the chemical potential gradient, and it has wide application in performing work, from desalinating water to generating electricity.
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