"Unexpected" for a very good reason: it violates conservation of momentum, and is likely flawed. See http://space.io9.com/a-new-thruster-pushes-against-virtual-

"Unexpected" for a very good reason: it violates conservation of momentum, and is likely flawed. See http://space.io9.com/a-new-thruster-pushes-against-virtual-particles-or-1615361369/1615513781 http://space.io9.com/a-new-thruster-pushes-against-virtual-p....