Hydrogen Could Be the Secret to Unlimited Energy—And Scientists Just Found a New Way to Unlock It

This discovery is 400 years in the making.

View in Browser  DIGITAL ISSUES GEAR REVIEWS SUBSCRIBE Hydrogen Could Be the Secret to Unlimited Energy—And Scientists Just Found a New Way to Unlock It This discovery is 400 years in the making. Read More The CIA Has Been Home to an Unsolved Puzzle for 35 Years. Its Creator Just Released the Final Clues. The encrypted puzzle has stumped cryptanalysts for decades, and on the eve of an auction revealing the long sought-after answer, the artist reveals a few final clues. Read More The Best 3D Printers for Beginners and Enthusiasts If you can dream it, you can create it. Read More Organ Donors Might Pass On Their Personality Traits—Suggesting Your Cells Have Their Own 'Memory' After a heart transplant, a patient recalled memories that weren't her own. And she isn't the only one. Read More Want a Better Deal on Tech This Black Friday? Look at Last Year's Gadgets. Save more on tech this holiday season by grabbing some perfectly good, last-generation gadgets. Read More At $270, The Flaviar Whiskey Advent Calendar is Worth More Than Its Price Tag This blew me away—and that's not the booze talking. Read More Need Assistance? Contact Us. Follow Us Unsubscribe | Manage Preferences | 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