The tunnelling probability, and hence the resistance of the junction, depends on the relative orientation of the magnetization of the two magnetic ... hard ferromagnetic contacts, which deform ...

All objects fall at the same speed unless there is air resistance. Air resistance makes ... pole or two south poles will repel each other. Magnetic force can overcome gravity.

A team of researchers has discovered a new way to control the magnetic behavior of quantum ... Another approach is tuning a material's resistance to switch from a low to a high value and vice ...