 He later moved to the University of Miami where he set up the Trisops machine, supported by the National Science Foundation and Florida Power and Light.The project continued until 1978 when the NSF discontinued the grant and the Department of Energy did not pick up the support.The fourth and final version of the Trisops machine consisted of DC mirror coils producing a 0.5 T guide field, two conical θ-pinch guns which produced two counter-rotating plasma vortices inside a pyrex vacuum chamber.