We need to talk about the sectional density (SD) of an unfired bullet. Why? Because you’ve been led to believe that it matters. And it doesn’t really. Not for most of us. I know this may come as a ...

FBI Director Christopher Wray said Wednesday that it is not clear whether Donald Trump was struck by a bullet during the assassination attempt against him earlier this month. Appearing before the ...

Learn the truth about whether bullets can really knock you backward.