A project dedicated to bringing artificial intelligence into military operations in a real combat theater has prompted more than a dozen Google employees to resign and 4,000 more to sign a petition urging the company to get out of the project. What's going on?Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices