I recently came across EmberGen which seems to offer real-time volumetric fluid simulation [1] and I wonder what's driving it and whether it's down to the hardw

I recently came across EmberGen which seems to offer real-time volumetric fluid simulation [1] and I wonder what's driving it and whether it's down to the hardware, algorithm or something else? 1. https://youtu.be/iDqWLwYhd9Y https://youtu.be/iDqWLwYhd9Y