Concussions in sports are extremely common, especially in high contact sports like football and lacrosse where helmet to helmet contact is very high. Although helmet technology has drastically improved as there has been more concussion awareness the past decade, concussions are still one of the top injuries. A smart helmet that contains an electromagnetic field to repel helmet to helmet contact would significantly decrease the amount of head and neck trauma. The helmets will utilize opposite magnetic fields to ensure that when the helmets do get close together they will be repelled from each other. These smart helmets will contain the technology to determine the acceleration of the two people and determine the right amount of repel to expel