资讯

Channel 300019 小时

‘Roomba for the forest’ could be SoCal’s next wildfire weapon

BurnBot can kill the flammable brush near homes and highways with virtually no safety risks or disruptions to daily life.
National Security Journal on MSN1 小时

USS Jimmy Carter: The U.S. Navy’s ‘Top Secret’ Seawolf-Class Spy Submarine

USS Jimmy Carter (SSN-23) is the U.S. Navy’s specialized Seawolf-class attack submarine, built with a 100-foot Multi-Mission ...