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I discuss a variety of topics in both the natural and social sciences, exploring the many fascinating insights that the scientific method yields about the world around us.
Episodes
Thursday Dec 30, 2021
Thursday Dec 30, 2021
A discussion of the awesome power of volcanoes, including an overview of the different types of volcanoes, types of lava and pyroclastics, mechanisms of volcanic eruptions, a curvey of volcanic landforms, and a review of some major historical eruptions and their effects on Earth's climate. Recommended pre-listening is Episode 111: Plate Tectonics.
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Tuesday Nov 30, 2021
Tuesday Nov 30, 2021
Concluding the two-part series on the circulatory and respiratory systems, I discuss the biochemical mechanisms by which red blood cells and hemoglobin molecules deliver oxygen to the tissues and carbon dioxide to the lungs, and the mechanisms which regulate these processes. I then consider the respiratory system, giving an overview of the structure and function of the lungs, the process of breathing, control of breathing, and adaptations to high altitudes. Recommended pre-listening is Episode 122: Respiratory and Circulatory Systems Part 2.
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Sunday Nov 28, 2021
Sunday Nov 28, 2021
An overview of the basic concepts of linear momentum, angular momentum, work and energy. Includes a discussion of the conservation of momentum, why the concept is needed, and some applications of the concept to collisions and rotating objects. The nature of energy is also discussed, along with the different forms of energy, and how the concepts of energy and work are related.
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Sunday Nov 28, 2021
Sunday Nov 28, 2021
A discussion of the importance of the profit motive and freedom of competition in the efficient operation of a market economy. Includes an overview of the uniformity of profit principle, and an examination of how competition serves as both an opportunity and a disciplining agent for entrepreneurs and firms, thus promoting useful innovations while weeding out bad ideas.
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Sunday Nov 28, 2021
Sunday Nov 28, 2021
An overview of how atoms bond together to form different chemical substances, including a discussion of the tree main types of bonds (covalent, ionic and metallic), and the relationship of these bonding types to the concept of electronegativity. I also discuss the difference between polar and non-polar bonds, and conclude with some interesting applications of bonding theory to understanding the properties of materials.
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Sunday Nov 28, 2021
Sunday Nov 28, 2021
An introduction to the key principles of quantum mechanics, beginning with an examination of the quantum-mechanical description of the behaviour of electrons around atomic nuclei. This is followed by an overview of some of the other major principles of quantum theory, including the Heisenberg Uncertainty Principle, the Pauli Exclusion Principle, quantum tunnelling and entanglement. The episode concludes with a discussion of alternative interpretations of these quantum phenomena. Recommended pre-listening is Episode 8: The Atom.
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Sunday Nov 28, 2021
Sunday Nov 28, 2021
An introduction to basic Newtonian physics, including a discussion of forces, velocity, acceleration, Newton’s three laws of motion, and some common misconceptions about forces. I also discuss circular motion, and conclude with a brief look at the physics of walking and driving a car.
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Sunday Nov 28, 2021
Sunday Nov 28, 2021
An examination of how the price system works, including an introduction to supply and demand theory, and the concepts of clearing the market and surplus maximisation. I also look at how the price system promotes efficiency helps to regulate economic activity. I conclude with a discussion of how prices store and communicate economic information.
If you enjoyed the podcast please consider supporting the show by making a paypal donation or becoming a patreon supporter.
Sunday Nov 28, 2021
Sunday Nov 28, 2021
An overview of the chaotic inflationary theory for the origin of the universe, including a discussion of the inflaton field, quantum fluctuations, spontaneous symmetry breaking, and the zero net energy of the universe. Also includes a discussion of the multiverse and the fine-tuning paradox. Recommended pre-listening is Episode 14: Principles of Quantum Mechanics.
If you enjoyed the podcast please consider supporting the show by making a paypal donation or becoming a patreon supporter.
Sunday Nov 28, 2021
Sunday Nov 28, 2021
An overview of the structure and function of cells, as well as their discovery, size, and classifications. Organelles discussed include the nucleus, plasma membrane, endoplasmic reticulum, ribosomes, Golgi apparatus, and mitochondria. Also includes with a brief discussion of the unique properties of plant cells.
If you enjoyed the podcast please consider supporting the show by making a paypal donation or becoming a patreon supporter.