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
Why does ice melt above 0°C? Why does water boil above 100°C? What quantity governs the equilibrium between liquid and gaseous phases? Use phase diagrams to probe these and other questions. Also watch a stunning demonstration of the triple point, where freezing and boiling occur simultaneously!
122) The Great Questions of Philosophy and Physics: Episode 10,Wanted Dead and Alive: Schrödinger’s Cat
Publisher
The Great Courses
Pub. Date
2020.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
The most famous paradox of quantum theory is the thought experiment showing that a cat under certain experimental conditions must be both dead and alive. Explore four proposed solutions to this conundrum, known as the measurement problem: the hidden-variable view, the Copenhagen interpretation, the idea that the human mind “collapses” a quantum state, and the many-worlds interpretation.
Publisher
The Great Courses
Pub. Date
2017.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
Analyze more idiosyncrasies of the weak force, focusing on the three massive particles that mediate its interactions. Discover that the weak force is unique in its ability to change a characteristic called flavor, and learn that at high energies the weak force is exceptionally strong.
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) (33 minutes): digital, .flv file, sound
Language
English
Description
Take a whirlwind tour of nuclear physics, getting a glimpse of the rich array of topics and concepts you will cover in this course. Professor Weinstein explains the constituents of the nucleus; what holds the nucleus together, its role in determining atomic identity; and the nature of isotopes. He introduces two key tools: the periodic table of elements and the table of nuclides.
Publisher
The Great Courses
Pub. Date
2018.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
High school chemistry introduces students to the atomic shell model, which describes the distribution of electrons around the nucleus. In this lecture, learn the analogous nuclear shell model and the magic numbers that constitute full shells of protons and neutrons within the nucleus. Also, discover how an entire nucleus can ring like a bell or spin like a top.
Publisher
The Great Courses
Pub. Date
2017.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
A theory of everything must fit gravity into the quantum realm, reconciling the general theory of relativity with the standard model of particle physics. Explore the features of gravity that make this unification so difficult, and evaluate two intriguing approaches: superstring theory and loop quantum gravity.
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
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
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
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
2017.
Physical Desc
1 online resource (streaming video file) (33 minutes): digital, .flv file, sound
Language
English
Description
Trace the discovery of missing mass surrounding most galaxies, which leads scientists to infer that 85% of all matter is "dark" and can't be observed directly. Evaluate the major theories about this discrepancy, and consider its implications for a theory of everything.
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) (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) (34 minutes): digital, .flv file, sound
Language
English
Description
Evaluate four other approaches to generating work from thermodynamic forces: magnetism, phase change, entropy, and surface tension. These unusual engines demonstrate the many different ways to produce mechanical energy from the unique properties of materials.
Publisher
The Great Courses
Pub. Date
2000.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Relativity implies that the time order of events can be different in different reference frames. Does this wreak havoc with cause and effect? Finally, why is it that nothing can go faster than light?
139) A Problem of Gravity
Publisher
The Great Courses
Pub. Date
2000.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Historically, the path to general relativity followed Einstein's attempt to incorporate gravity into relativity theory, which led to his understanding of gravity not as a force, but as a local manifestation of geometry in curved spacetime.
Publisher
The Great Courses
Pub. Date
2009.
Physical Desc
1 online resource (streaming video file) (32 minutes): digital, .flv file, sound
Language
English
Description
Feynman diagrams are a powerful tool for analyzing events in the quantum world. Some diagrams show particles moving forward and backward in time, while other particles appear from nowhere and disappear again. All are possible quantum scenarios, which you learn how to plot.
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