These Floating Nuclear Reactors—Powered by Salt—Could Supercharge America’s Electrical Grid

The small nuclear power plants will use molten salt in their fuel, making them safer and more versatile and portable than traditional nuclear power plants.

View in Browser  SHOP EXCLUSIVE SUBSCRIBE These Floating Nuclear Reactors—Powered by Salt—Could Supercharge America's Electrical Grid The small nuclear power plants will use molten salt in their fuel, making them safer and more versatile and portable than traditional nuclear power plants. Read More A Room-Temperature Superconductor Is a Scientific Holy Grail—and We're Now Closer Than Ever In a new paper, scientists uncovered a new state called Cooper-pair density modulation that could teach us a lot about high-temperature superconduction. Read More Scientists Spotted Evidence of an Unseen Universe—Even Though That Should Be Impossible We just saw light from a galaxy we shouldn't be able to see. Read More Metal Detectorists Were Scanning the Beach—and Found a Stunning 2,800-Year-Old Dagger Experts are only just beginning to investigate its mysterious history. Read More An Unstoppable New Alloy Can Survive 1,400°F—and Could Transform the Planes You Fly On This superalloy can withstand some enormous pressure. Read More The Popular Mechanics Editors Have Spoken! See What Products They Loved In March From household spring cleaning products to cast iron pans, our editors tested dozens of products, but only a few made the cut. 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