Copying Alien Tech Would Be a Mind-Boggling Reverse Engineering Project. ‘The Physics Get Weird,’ Experts Say.

An ex-Pentagon official claims the U.S. already has an arsenal of recovered alien artifacts from crashed UFOs—but finding extraterrestrial tech is the easy part.

View in Browser  SHOP EXCLUSIVE SUBSCRIBE Copying Alien Tech Would Be a Mind-Boggling Reverse Engineering Project. 'The Physics Get Weird,' Experts Say. An ex-Pentagon official claims the U.S. already has an arsenal of recovered alien artifacts from crashed UFOs—but finding extraterrestrial tech is the easy part. Read More Scientists Found 10 Million-Year-Old Remnants of a Massive Kilonova in the Bottom of the Ocean One scientist called it a "supernova graveyard." Read More Archaeologists Discovered a 1,700-Year-Old Statue of Hercules—Without His Head There was still a head on the statue, just not Hercules'. Read More A Mysterious Meteorite Fell to Earth From a Planet That Doesn't Exist Scientists think it came from a planet similar to Mercury, but not Mercury. Read More These Rugged Work Gloves Will Stop a Chainsaw Blade In Its Tracks These are the pairs I recommend for staying safe while cutting firewood or tree limbs. Read More Thinking of Replacing Your Gas Stove? Here's What You Need to Know. Hint: isn't as simple as plug-and-play. 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