A very clever mechanism has been designed to pump molten metals. Due to the intense heat associated with molten metals, it is very hard to implement conventional pumps to force them along. An electromagnetic pump uses electromagnetic fields to create a force that acts on the conductive metals to move them through tubes. Two electrodes are placed along the pump and a current is directed between them, then a magnetic field is placed opposite to these electrodes and aligned perpendicularly to the current. All this creates a force on the molten metal that propels it along the tube safely.
Electromagnetic pumps are used in places such as nuclear reactors where liquid sodium is often used as a coolant.
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