Diesel-electric submarines, once dismissed as second-tier assets, are rapidly emerging as some of the most elusive platforms in modern naval warfare. Their ability to run in near silence for extended ...

The K3 concept tank is slated to be equipped with a 130 mm main cannon and a stealthy electric propulsion system set to run ...

Who needs big guns and even bigger explosions? These top-rated stealth games let you save the world using quiet precision. My PCMag career began in 2013 as an intern. Now, I'm a senior writer, using ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Logan is an experienced writer, producer, and editorial leader. As a journalist, he ...

This article covers a developing – and complicated – area, and doesn't constitute legal advice. Please let us know if you've feedback or questions we've not answered below by emailing ...