No gunpowder, no roar and no flames: These experimental electromagnetic guns are being tested in fighting forest fires by launching long-range extinguisher-bomb strikes against mountain blazes. The guns were featured for the first time by China Central Television. | Xi's Moments

The U.S. Navy triggered an explosion near its new aircraft carrier on Friday that registered as a 3.9 magnitude earthquake. These explosive tests are meant to simulate conditions that a new ship would encounter during battle and are conducted in a way that "complies with environmental mitigation requirements, respecting known migration patterns of marine life in the test area,” according to the Navy. | cheddar news