Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Explore the wave equation in 4D spacetime through this comprehensive lecture from the Warsaw4PhD Doctoral School series on selected topics in theoretical physics. Delve into an introduction to Electrodynamics and Theory of Relativity as Professor Jerzy Kijowski from the Centrum Fizyki Teoretycznej PAN guides you through this advanced topic. Gain valuable insights into the mathematical foundations and physical implications of wave propagation in the four-dimensional framework of spacetime, essential for understanding modern physics and relativity theory.