i have searched this but have received no results on what could happen and what can be done to allow this to happen.for example,if i want to make the magnetic field or an electromagnetic field or lets say signal travel a further distance, regardless of shortening the spread of the magnetic field/electromagnetic field.
Or,if i want the field to be shortened,regardless of directing it at only a place,a direction or even a spot. Also,to add on,what if i used inductors to try to achieve this.
For example,try to place the inductors in a certain way,for example,like placing a indutor sandwiched inbetween two inductors,and or applying different currents/voltages to the pair of inductors and the inductor sandwiched inbetween the pair,will it achieve the effect of making the field or lets say signal travel further. Or will it be possible?
To also add on,what if the example of the inductors stated above is placed inside a material that the field cannot pass through,and when the field is controlled inside,will it be possible to send a magnetic field or signal further,as its somehow and somewhat conpressed and directed in a way or another/in a few ways.