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TTC Video - Modern Physics All Around You - 2022 - PHC
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Directory of TTC Video - Modern Physics All Around You - 2022 - PHC
14 File(s) 3,266,815,056 bytes
01. Toasters, Planck, and Modern Physics.mkv 02. Cameras and Einstein's Photoelectric Effect.mkv 03. Modern Clocks and the Bohr Atom.mkv 04. GPS and Einstein's Relativity.mkv 05. Elevators Demonstrate General Relativity.mkv 06. Lasers, the Internet, and Photon Emission.mkv 07. A Sense of Smell Relies on Pauli Exclusion.mkv 08. Why Everyday Objects Don't Implode.mkv 09. Computers and Schr”dinger's Cat.mkv 10. Magnets Need the Quantum World.mkv 11. Smoke Detectors and Quantum Tunneling.mkv 12. The Future of Cryptography Is Entanglement.mkv Course Guidebook - 10200.pdf files.txt
Directory of TTC Video - Modern Physics All Around You - 2022 - PHC
14 File(s) 3,266,815,056 bytes
Professor Chad Orzel, PhD
Chad Orzel is an Associate Professor of Physics and Astronomy at Union College in Schenectady, NY. He earned a BS in Physics from Williams College and a PhD in Chemical Physics from the University of Maryland, College Park.
Course Summary:
The name Albert Einstein conjures up some of the most brain-bending ideas in the history of science, notably his special and general theories of relativity and his key contributions to quantum mechanics. No concepts, it seems, could be farther removed from daily life. Or are they? It turns out that the abstruse theories developed by Einstein and the other pioneers of 20th-century physics show up in everyday activities such as these:
Photon Toast. The energy given off by hot objects, including toasters, was not understood theoretically until 1900, when Max Planck proposed the existence of quanta of energy, later termed photons. These ubiquitous particles of light became the basis for quantum theory.
Spacetime Navigation. The satellites in the Global Positioning System (GPS) map locations on Earth with amazing precision thanks to Einstein’s theories of relativity, which account for time dilation and spacetime curvature experienced by the satellites, which would otherwise be hopelessly inaccurate.
Quantum Sentinel. Smoke detectors can spot soot particulates in fast-burning fires thanks to a phenomenon called quantum tunneling, in which subatomic particles magically appear on the other side of a seemingly impenetrable barrier. Smoke disrupts the flow of these particles, initiating the alarm.
Given these and many other applications, our familiar surroundings provide a perfect vehicle for understanding contemporary physics, especially quantum mechanics. In 12 fascinating half-hour lectures designed for non-scientists, Einstein’s Legacy: Modern Physics All around You introduces the fundamental ideas that have changed our understanding of physical reality, while simultaneously improving our lives.
Your expert is Chad Orzel, Associate Professor of Physics and Astronomy at Union College. In these lucid and often light-hearted lectures, he plunges you deep into non-mathematical explanations of the way nature works at the subatomic level, relating particles and fields to everyday devices such as clocks, computers, lasers, magnets, and more.
See How the Quantum World Relates to Your World
A smartphone works due to a host of microphysics phenomena, among them the photoelectric effect, which was first explained by Einstein in a Nobel Prize-winning discovery. The photoelectric effect is the emission of electrons when light strikes a substance. The relationship between the type of light and the number of electrons emitted defied explanation, until Einstein showed that light is “quantized,” with light quanta (or photons) of a specific energy required to dislodge individual electrons. The effect has many uses, among them the digital camera in smartphones.
Other principles you explore in Einstein’s Legacy include:
Bohr Model of the Atom. Niels Bohr’s quantum explanation of the spectral lines emitted by atoms showed that the lines are caused by electrons jumping between different energy states. The precise oscillations of the moving electrons serve as the basis for super-accurate clocks.
Pauli Exclusion Principle. Wolfgang Pauli’s innovation for keeping track of different quantum states is “one of the most significant ideas in quantum physics,” according to Professor Orzel. It accounts for everything from the solidity of matter to the structure of the periodic table of elements.
Quantum Entanglement. Related to Erwin Schrödinger’s famous cat paradox about a feline that is simultaneously dead and alive, this principle allows quantum particles to affect each other instantly over huge distances, raising the possibility of uncrackable codes communicated through quantum signals.
Find the Extraordinary Hidden in the Ordinary
Magnets are yet another interesting case. They have been exploited for practical purposes since at least the 12th century, when the Chinese invented the navigational compass using naturally magnetized iron stones. Today, magnets show up in countless products, from whimsical ornaments used for sticking photos and shopping lists onto appliances to high-density magnetic storage media for computer data. Yet explaining how magnets work requires surprisingly subtle physics and is rarely presented in popular accounts.
Professor Orzel comes to the rescue, taking you down to the quantum level to discover why most material is non-magnetic, why iron is a notable exception, and why his new stainless-steel fridge frustratingly rejected his carefully curated collection of refrigerator magnets.
He goes on to show that without an understanding of the quantum nature of electrons, we wouldn’t be able to make many of our high-technology products, including the computer chips that are central to so many modern devices. And without an understanding of the quantum nature of light—a topic that Einstein helped pioneer—we wouldn’t be able to build the lasers that carry the internet over a global network of fiber-optic cables.
Even our sense of smell, a vital and complicated sense, can be—and is—explained through the chemical receptors in the nose that interact with a staggering number of molecules, distinguishing minute variations in their shape, which the brain interprets as markedly different odors.
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FILE LIST
Filename
Size
01. Toasters, Planck, and Modern Physics.mkv
257.9 MB
02. Cameras and Einstein’s Photoelectric Effect.mkv
259 MB
03. Modern Clocks and the Bohr Atom.mkv
264 MB
04. GPS and Einstein's Relativity.mkv
244.8 MB
05. Elevators Demonstrate General Relativity.mkv
260.2 MB
06. Lasers, the Internet, and Photon Emission.mkv
264.6 MB
07. A Sense of Smell Relies on Pauli Exclusion.mkv
230 MB
08. Why Everyday Objects Don’t Implode.mkv
262.5 MB
09. Computers and Schrödinger’s Cat.mkv
242.1 MB
10. Magnets Need the Quantum World.mkv
232.6 MB
11. Smoke Detectors and Quantum Tunneling.mkv
266 MB
12. The Future of Cryptography Is Entanglement.mkv
