@misc{rr-2026-0729,
  title = {Modelling the Doppler Effect and Mach Cone Formation: A Technical Report on an Interactive Simulation of Subsonic, Sonic, and Supersonic Wave Behaviour},
  author = {Ruben David Roy},
  year = {2026},
  url = {https://idx.ruben-roy.com/p/2026/rr-2026-0729},
  note = {Physics technical report}
}