All Hallow's Eve is nearly upon us, but if you're anything like this author, you've waited until the last minute to pick out a costume. All of your friends are dressing up as Marty McFly, Donald Trump, and Pizza Rat (or Sexy Pizza Rat), but you want to do something different and unique. Don't worry, Popular Science has you covered. Here are 12 great options based on science and technology news covered by Popular Science this year. Happy Halloween!