I’d like to pretend there was some master plan, that the site you see before you crept out of our skulls fully formed. But the truth is, when Sharon Weinberger and I launched Danger Room five years ago this week, we were just winging it. We wanted to write about the things we thought were cool: the Pentagon’s super-soldier project; China’s cyborg pigeons; the Navy’s puke rays and lightning guns. So we did.