Proton pack of the gun to represent the beam. Proton pack The proton pack is an energy weapon used for weakening ghosts and aiding in capturing them within the "Ghostbusters" universe. First depicted in the film "Ghostbusters", it has a hand-held wand ("Neutrona Wand" or particle thrower) connected to a backpack-sized particle accelerator. It fires a stream of highly focused and radially polarized protons that electrostatically traps the negatively charged energy of a ghost, allowing it to be held in the stream. The proton pack, designed by Dr. Egon Spengler, is a man-portable particle accelerator system that is used to create a
Egon Spengler of Spengler's genius, tries to make him come back to Ohio (where Spengler grew up) to work at his uncle's lab, but fortunately, after his uncle accidentally releases the Stay Puft Marshmallow Man from the containment unit, he realizes that ghosts are real and accepts Spengler's work. Throughout the series, Spengler would have his soul switched with that of a demon, have his molecular structure destabilized to the point that it stranded him in the Netherworld (requiring him to be rescued by the others), experience a curse-induced age regression that nearly destroyed him, turn into a were-chicken, and have his