Here is a strange experiment. I made 2 magnets act a magnetic force on a current in the position shown in Figure 1. The 2 magnets stand vertically and generate the magnetic field B. The current I passes in a wire at some distance in front of them.
Please read the article at
One way magnetic force http://pengkuanem.blogspot.com/2013/10/one-way-magnetic-force.html
or
http://www.academia.edu/4777632/One_way_magnetic_force