Quantum Electrodynamics and Feynman Diagrams - Deciphering the Secrets of Light and Matter

About this episode

This episode explores Quantum Electrodynamics and the interaction of light and matter at the subatomic level.

Ever wondered how light and matter interact at the subatomic level? Join us on this episode of Subatomic Tanvi as we delve into the fascinating world of Quantum Electrodynamics (QED)! We'll explore the mind-bending concept of particles existing in multiple places at once, learn how QED predicts these interactions using probabilities, and even decipher the "rulebook" of this quantum world – the Lagrangian Density. We'll unravel the mysteries of Feynman Diagrams, visual representations of particle interactions, and discover how they illuminate the bizarre dance of light and matter. Get ready for a journey beyond classical physics, where basketballs become probability clouds and billiards unlock the secrets of the subatomic realm!

People in this episode

Host: Subatomic Tanvi

Topics covered

• Quantum Electrodynamics
• particle interactions
• Feynman Diagrams
• light and matter
• subatomic physics
• probabilities

Keywords

• quantum physics
• subatomic particles
• light interaction
• probability clouds
• Feynman Diagrams
• Lagrangian Density

Mentioned in this episode

Books & works: Quantum Electrodynamics, Feynman Diagrams, Lagrangian Density

More episodes of Quantum Physics for Kids

• Subatomic Timekeeping: A step-by-step guide to the world's most precise clocks · May 9, 2026 · 6 min
• The Quantum Contradiction: Why Niels Bohr’s Model Breaks the Laws of Physics · February 15, 2026 · 4 min
• The Birth of the Qubit - Inside the 2025 Physics Nobel Prize-Winning Discovery · December 25, 2025 · 7 min
• Quantum Tunneling - The Glitch That Makes Our Universe (And Our Generation) Work · October 18, 2025 · 6 min
• A Trillionth of a Trillionth of a Second - How Scientists at CERN Discovered the Higgs Boson · September 14, 2025 · 7 min
• Inside DUNE: The Massive Experiment Following a Neutrino on its 800-Mile Journey Through the Earth · July 21, 2025 · 5 min