MAGNET

1. Introduction 

soft materials responsive to external  stimuli such as terperature, pH, and electric fielsd have attracted considerable attion as next generation actuators , device with virtual realty or soft robot, and so on. Magnetic elastormer is a soft material responsive to magnetic fialds [1-8] and it is composed of flexible polymeric matrices and magnetic particles[9].





1.Magnets are surround by an invisible magnetic field.




2.Magnets generate a non - contact force.


3.Only iron, nickel or cobalt are magnetic metals.


4.Earth has a magnetic core made of iron.


5.The unit used to measure the strength of a magnet is called a tesla.

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