Physics Explained Courses

Deriving Hawking's Most Famous Equation - What Is the Temperature of a Black Hole?

Explore the physics of black holes and derive Hawking's famous equation using advanced high school math. Learn about black hole entropy, radiation, and thermodynamics.

• YouTube
• 41 minutes
• On-Demand
• Free Video

Dark Energy and the Vacuum Catastrophe

Explore the vacuum energy catastrophe, quantum field theory, and general relativity to understand the universe's expansion and the mysterious dark energy driving it.

• YouTube
• 49 minutes
• On-Demand
• Free Video

Quantum Field Theory - What Is a Particle?

Explore the concept of particles as excitations of relativistic quantum fields, from simple harmonic motion to quantum mechanics and field theory, in this accessible introduction to fundamental physics.

• YouTube
• 37 minutes
• On-Demand
• Free Video

What is the Ultraviolet Catastrophe?

Explore the ultraviolet catastrophe, Rayleigh-Jeans law, and Planck's quantum solution in this comprehensive physics video, unraveling a pivotal moment in scientific history.

• YouTube
• 40 minutes
• On-Demand
• Free Video

What Is Wave Particle Duality?

Explore wave-particle duality's history, from Young's experiments to de Broglie's matter-wave hypothesis, covering key concepts like interference, photoelectric effect, and quantum mechanics.

• YouTube
• 43 minutes
• On-Demand
• Free Video

What Is the Bohr Model of the Atom?

Explore Bohr's groundbreaking atomic model, its historical context, and its impact on quantum physics. Learn about electron orbits, energy levels, and the hydrogen emission spectrum.

• YouTube
• 27 minutes
• On-Demand
• Free Video

What Is the Riemann Hypothesis?

Explore the Riemann Hypothesis, convergent series, and Euler's solutions in this engaging introduction to complex mathematical concepts and their implications.

• YouTube
• 30 minutes
• On-Demand
• Free Video

Estimating the Number of Atoms in the Observable Universe

Explore a simple method to estimate the vast number of atoms in the observable universe through step-by-step calculations of stars, galaxies, and cosmic structures.

• YouTube
• 21 minutes
• On-Demand
• Free Video

What Is Compton Scattering?

Explore Compton Scattering's role in quantum physics, including wavelength shifts, conservation principles, and its significance in Quantum Field Theory.

• YouTube
• 18 minutes
• On-Demand
• Free Video

The Empty Atom Myth: Why "Nothing" Isn't Empty at All

Explore the quantum reality behind the "empty atom" myth, discovering how quantum fields, zero-point energy, and vacuum fluctuations reveal that atomic "emptiness" is actually teeming with physical activity.

• YouTube
• 43 minutes
• On-Demand
• Free Video

But What Actually Is a Particle? How Quantum Fields Shape Reality

Explore the fundamental nature of particles through quantum field theory, discovering how electrons, quarks, and photons are actually vibrations in underlying quantum fields.

• YouTube
• 35 minutes
• On-Demand
• Free Video

How Did One Equation Predict Antimatter and Spin?

Delve into the mathematical structure of the Dirac equation to understand how it predicts antimatter and spin-½ particles through a step-by-step exploration of its solutions and profound implications for quantum physics.

• YouTube
• 1 hour 3 minutes
• On-Demand
• Free Video

Why Space Can Tear You Apart - The Physics of Tidal Forces and Black Holes

Discover why black holes stretch objects apart through tidal forces, exploring how gravity's gradient—not strength—determines spaghettification using accessible physics principles.

• YouTube
• 36 minutes
• On-Demand
• Free Video

Feynman's Path Integral and Light's Multiple Path Behavior

Explore Feynman's path integral formulation through visual analogies and mathematics to understand how light takes multiple paths and creates interference patterns in quantum mechanics.

• YouTube
• 43 minutes
• On-Demand
• Free Video

Understanding the Pauli Exclusion Principle and Quantum Mechanical Properties of Matter

Discover how quantum mechanics and the Pauli Exclusion Principle explain why matter is solid, why objects maintain their shape, and why you can't walk through walls.

• YouTube
• 49 minutes
• On-Demand
• Free Video