Your Brain Creates Its Own Version of Reality—And It’s the Version That Keeps You Alive

Researchers shot lasers into brain cells and triggered illusions on demand—a breakthrough that's rewriting how we see the world.

View in Browser  DIGITAL ISSUES GEAR REVIEWS SUBSCRIBE Your Brain Creates Its Own Version of Reality—And It's the Version That Keeps You Alive Researchers shot lasers into brain cells and triggered illusions on demand—a breakthrough that's rewriting how we see the world. Read More The Cheapest-Ever Tesla Is Here—But It's Still Not That Cheap Plucking luxury features out of the vehicle only saves you about $5,000 over the next step up. Read More Scientists Think Time Travel Is Possible—If We Could Move at Warp Speed It's the edge case of all edge cases, but it's still worth thinking about. Read More These Space-Themed Gifts Are Perfect for the Astronomy Nerd in Your Life Space is complex, but your search for the perfect gift doesn't have to be. Read More SpaceX's Satellites Are Falling From the Sky Every Single Day If Starlink continues scaling up operations, there could be as many as five of these satellites raining down on us daily. Read More Indulge in One of These Editor-Approved Hot Tubs for a Soothing Soak Year-Round Get a spa-like experience without having to leave your backyard. 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