Dull Axes are Dangerous. Here's How You Can (and Should) Sharpen Them.

From flat files to whetstones to bench grinders, we walk you through all the tools and tips to get the sharpest edge.

View in Browser  DIGITAL ISSUES GEAR REVIEWS SUBSCRIBE Dull Axes are Dangerous. Here's How You Can (and Should) Sharpen Them. From flat files to whetstones to bench grinders, we walk you through all the tools and tips to get the sharpest edge. Read More A New Theory Says Time Has Three Dimensions. It 'Really Messes Up' What We Know About the Cosmos, Scientists Say In some cases, it makes the concept of traveling to alternate futures a reality. Click to Listen A 'Dead' Man Woke Up While Doctors Were Harvesting His Organs—Suggesting Death Isn't Final Is it truly "lights out" when we die? Read More This Sun Joe Pressure Washer Blasted Away Six Months Worth of Dirt Off My Truck With Ease This pressure washer's detailing-focused attachments and compact wheeled design make it perfect for car cleaning. Read More Humanity Will Stop Growing Within 55 Years—After That, It'll Start Shrinking Population estimates say the Earth's human population may pass 10 billion people in 2080. But what goes up must come down. Read More Nobody Around to Help You Start Your Car? Keep One of These Portable Jump Starters on Standby The most reliable options to help get you where you're going safely. Read More Need Assistance? Contact Us. Follow Us Unsubscribe | Privacy Notice | CA Notice at Collection Popular Mechanics is a publication of Hearst Magazines. ©2025 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779