The ABHA Kingdom. Vortex Based Math @ TEDxCharlotte 2010 - Randy Powell. Randy Powell: Intro to Vortex Math [Full] [1/2] Randy Powell: Intro to Vortex Math [Full] [2/2] Red Ice Radio - Randy Powell - Hour 1 - Vortex Based Mathematics & The ABHA Torus. Randy Powell: Advanced Vortex Math [Full]