This Guy Found a Faster Way to Multiply—Because the One You Know Is Ridiculously Slow

Math class could've been so much easier.

View in Browser  DIGITAL ISSUES GEAR REVIEWS SUBSCRIBE This Guy Found a Faster Way to Multiply—Because the One You Know Is Ridiculously Slow Math class could've been so much easier. Read More Fall Leaves Are Coming. Are You Using the Right Rake? Brush up on the tools and tricks you need for a leaf-free yard this fall. Read More How to Clean a Paint Sprayer: An Expert's Step-By-Step Guide It's a messy job, but these tips and tools help you get it done with relative ease. Read More A Massive Earthquake Is Going to Hit the Pacific Northwest, Scientists Say—And It Could Wipe Out the Coastline We don't know when it will hit, and we need to be far better prepared. Read More Divers Discovered a 2,200-Year-Old Helmet from the War That Changed the Course of Roman History It was remarkably preserved. Read More Apple's Top Tech Is on Sale for Prime Day. Save Up to 25% Before the Deals Disappear. Amazon's Prime Big Deal Days is back this October with rare discounts on Apple products like MacBooks, AirPods, and iPads. 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