Smartphones with NFC capabilities send out magnetic field pulses.

具有NFC功能的智能手机会发出磁场脉冲。

TMS uses a coil to deliver powerful magnetic pulses to the brain.

TMS使用线圈向大脑传送强大的磁脉冲。

So there is no physical force, just a magnetic pulse.

这里没有物理上的强迫，仅仅是磁场的脉冲。

First, I'm going to show you that this is a magnetic pulse.

第一个演示的是一个磁感脉冲。