What: A football helmet fitted with magnets to reduce impact during helmet ... He set a goal of $10,000 and came up with a number of rewards for his donors. A $25 pledge, for example, will ...

But with an estimated 60 percent of football concussions caused by head-on-head bangs, ScienceNOW writes, the magnets could at least put a significant dent in the number of brains that get jostled ...

Fortunately, some help may be coming, in the form of magnets. To understand why ... the more severe the concussion. The magic number is 100 Gs, or 100 times the force of gravity.