The Navy’s New Guided Cannon Shells Will Make Some of Its Ships’ Guns as Accurate as Missiles

The U.S. Navy’s interest in 57-millimeter deck guns was originally derided as a mistake. But a Mk.-110 gun could become a more powerful weapon than anyone originally expected. [View in Browser]( [Popular Mechanics]( [SHOP]( [EXCLUSIVE]( [SUBSCRIBE]( [The Navy’s New Guided Cannon Shells Will Make Some of Its Ships’ Guns as Accurate as Missiles]( [The Navy’s New Guided Cannon Shells Will Make Some of Its Ships’ Guns as Accurate as Missiles]( The U.S. Navy’s interest in 57-millimeter deck guns was originally derided as a mistake. But a Mk.-110 gun could become a more powerful weapon than anyone originally expected. [Read More]( [The Hubble Tension Is Extremely Real—and Extremely Frustrating]( [The Hubble Tension Is Extremely Real—and Extremely Frustrating]( We still don’t know why different measurements of the rate of the universe’s expansion don’t match. But at least we know we can’t blame the Hubble Telescope. [Read More]( [Alternate text] [Alternate text] [Scientists Say They've Located the World’s Only Mountaintop Impact Crater]( [Scientists Say They've Located the World’s Only Mountaintop Impact Crater]( At a mile wide, it's substantial. [Read More]( [Life on Earth Will Be Toast Long Before the Sun’s Final Death]( Life on Earth Will Be Toast Long Before the Sun’s Final Death]( A cosmologist gives us a blow-by-blow account of the hellishly hot—and ultimately chilling—end. [Read More]( [Alternate text] [Alternate text] [Before Drones, the U.S. Military Tried Developing These Strange One-Person Helicopters]( [Before Drones, the U.S. Military Tried Developing These Strange One-Person Helicopters]( Without powerful computers, autonomous drones just weren’t possible in the 1950s—so this is what the Army and Navy came up with instead. [Read More]( [The Best Expert-Recommended Electric Snowblowers to Save Your Back From Shoveling]( [The Best Expert-Recommended Electric Snowblowers to Save Your Back From Shoveling]( Why dig out with a shovel when an electric snowblower can clear paths and parking spaces with ease. [Read More]( [Alternate text] [POP KH7]( [LiveIntent Logo]( [AdChoices Logo]( Follow Us [Unsubscribe]( | [Privacy Notice]( | [CA Notice at Collection]( Popular Mechanics is a publication of Hearst Magazines. ©2023 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779