While it could mean any of these, I have written a focused piece on the dominant interpretation: the landmark 2021 cinematic release.
🌀 Splitting the Soul: A Reflection on Gaspar Noé’s Vortex (2021) 2021 - Vortex
The Vortex-NTNU autonomous underwater vehicle technical design for RoboSub 2021. While it could mean any of these, I