The US military is putting sensors on body armor that can detect and measure exposure to potentially harmful blasts
In the wake of an Iranian missile attack on US forces in Iraq in early January, 110 US troops were diagnosed with mild traumatic brain injuries. Initial reports indicated there were no injuries, due in large part to the difficulty of detecting and diagnosing TBIs, Defense Department officials have explained.
Boron carbide is very effective at stopping bullets fired from most handguns. But when bullets are coming at it faster than 900 meters per second, its ballistic performance is quickly lost and it cannot be relied upon
...despite the changing threat levels in our society, there are easy and unobtrusive methods you can take to mitigate the risks and better protect yourself and your work place or home. The key is to keep up with technology, because we know the bad guys will.