A New Theory of Matter

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Quantum Field Theory
Toss out the textbook image of electrons circling an atom's nucleus. This lecture explores the big twist of quantum field theory: The world isn't really made of particles. They're fascinating and necessary figments of quantum mechanics created by observing the fields that fill every inch of the universe, and grasping…
Drawing on what you now know about quantum mechanics, analyze how atoms work, discovering that the electron is not a point particle but behaves like a probability cloud. Investigate the exclusion principle, and learn how quantum mechanics explains the periodic table of elements and the principle behind lasers.
The Spooky Universe
Did you know that electrons have never actually been observed by scientists to this day? Or that quarks can only be studied in pairs? Or that as you travel faster or find yourself in a higher gravity, time ticks more slowly for you? Delve into these and other mind-warping facts…
Introducing the Quantum
Begin your study of the ideas that revolutionized physics at the atomic scale: quantum theory. The word quantum comes from Max Planck's proposal in 1900 that the atomic vibrations that produce light must be quantized: that is, they occur only with certain discrete energies.
The Particle Zoo
By 1960 a myriad of seeming elementary particles had been discovered. Survey the standard model that restored order to this subatomic chaos, describing a universe whose fundamental particles include six quarks; the electron and two heavier cousins; elusive neutrinos; and force-carrying particles such as the photon.
Textiles Carbon Fibers, Flexible & Tough
Part of the Series: Show Me Science Series - Advanced
Engineers are constantly developing new lightweight, durable textiles to be used in many facets of our daily lives. Manufacturers of airplanes and automobiles are increasingly turning to textiles, such as carbon fibers, to produce their new models. They rely on carbon fibers due to light weight and durable properties. For…
The Nature of Matter - Understanding the Physical World
Discover how the immense variety of matter--stars, mountains, plants, people--is made by a limited number of elements that combine in simple ways. In the engaging lectures of The Nature of Matter, no scientific background is needed to appreciate everyday miracles like a bouncing rubber ball or water's astonishing power to…
Ions, Compounds, and Interpreting Formulas
Learn about protons, electrons, and neutrons; how ions are formed from atoms; how these ions can combine to form compounds; and how you can determine the formulas of these compounds. Some molecular substances are discussed and you are introduced to the final number associated with every element--its atomic weight.
Molecules and Solids
See how atoms join to make molecules and solids, and how this leads to the quantum effects that underlie semiconductor electronics. Also probe the behavior of matter in ultradense white dwarfs and neutron stars, and learn how a quantum-mechanical pairing of electrons at low temperatures produces superconductivity.
Time in Quantum Mechanics
Quantum mechanics is the most precise theory ever invented, yet it leads to startling interpretations of the nature of reality. Probe a quantum state called the collapse of the wave function that may underlie the arrow of time. Are the indications that it shows irreversibility real or only illusory?
Simple Nature
In Simple Nature, world famous physicist Dr. Leonard Susskind introduces The Anthropic Principle in an entertaining, accessible and informative way. Proposed in the 1970's, The Anthropic Principle attempts to explain how the physics of the universe may be perfectly tuned for life to evolve. Any small tweak in gravity or…
Chemistry, 2nd Edition Course
Many students struggle in high school chemistry. Even if they succeed in earning a good grade, they often still feel confused and unconfident. Why is this? And what can be done to help every student succeed in this vitally important course? Success in chemistry, according to veteran science teacher Professor…