A Secret Nuclear Device Ran Beneath Kodak’s Labs for 30 Years. Authorities Had No Idea It Existed.

The machine used weapons-grade uranium, but it wasn't a secret weapon—it was a scientific marvel.

View in Browser  DIGITAL ISSUES GEAR REVIEWS SUBSCRIBE A Secret Nuclear Device Ran Beneath Kodak's Labs for 30 Years. Authorities Had No Idea It Existed. The machine used weapons-grade uranium, but it wasn't a secret weapon—it was a scientific marvel. Read More Is Your Space Heater Plugged Into a Power Strip? It Absolutely Shouldn't Be. You may know to keep your unit three feet away from furniture, but this hazard is easy to miss. Read More The Ancient Greeks Built the World's First Telegraph System—1,600 Years Before Morse Code This simple, ingenious tool helped the Carthaginians communicate instantly during wars with the Romans. Read More A New Kind of Energy Could Power Everything—Forever. And It's Basically Endless. Scientists found a way to turn waste into fuel, turning our worst mistake into our greatest solution. Read More Planning a Night out in Nature? Bring Some Night Vision Gear to See Wildlife in The Dark Goggles, binoculars, and range finders that let you see in the dark come give you a way to effectively track game and get around in pitch-black woods. Read More Leaf Blower Hate Is in Season. Follow These Rules to Avoid Becoming the Neighborhood Menace. With more and more communities banning gas blowers over the noise (among other things), these small steps will keep you (and your gear) on your neighbors' good side. 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