Preparing for War on Top of the World

American military members maintain an unceasing vigil. If you have trouble reading this message, view it in a browser.       'That Others May Live': The Pararescue Units Preparing for War on Top of the World   This story is exclusive to Pop Mech Pro members.   In the new superpower battle taking place in the Arctic, a small band of American military members maintain an unceasing vigil. Read More           The Best Sci-Fi Movies on Netflix Right Now   Rogue robots, deep space planets, and a voice assistant love story. Read More             The Best Fitbits You Can Buy Right Now (and Which is Right for You)   The differences, features, and price points of the popular athletic trackers. Read More           Why Hundreds of Mathematicians Are Boycotting Predictive Policing   Some academics are calling the controversial practice a "scientific veneer for racism." Read More           This New, Non-Cuttable Material Is Virtually Indestructible   Watch an angle grinder try—and fail—to attack it. Read More           Watch What Happens When You Drop a Friggin' Car Onto a Giant Axe   Will it split? Read More         Read More on PopularMechanics.com       Follow Us     Unsubscribe  Privacy Notice   PopularMechanics.com ©2020 Hearst Communications Inc. All Rights Reserved. Hearst Email Privacy, 300 W 57th St., Fl. 19 (sta 1-1), New York, NY 10019