A World-Changing Gamma Ray Laser Is on the Horizon. It Could One Day Unlock Interstellar Travel

Researchers are finally getting close to solving “one of the most important problems in physics.” [View in Browser]( [Popular Mechanics]( [SHOP]( [EXCLUSIVE]( [SUBSCRIBE]( [A World-Changing Gamma Ray Laser Is on the Horizon. It Could One Day Unlock Interstellar Travel]( [A World-Changing Gamma Ray Laser Is on the Horizon. It Could One Day Unlock Interstellar Travel]( Researchers are finally getting close to solving “one of the most important problems in physics.” [Read More]( [Alternate text] [Alternate text] [A Breakthrough Study Suggests Magnetic Fields Could Manipulate Human Brains]( [A Breakthrough Study Suggests Magnetic Fields Could Manipulate Human Brains]( Scientists just did it to mice—and we may be next. [Read More]( [A Wild Discovery Suggests Earth Had Multiple Hidden Moons]( [A Wild Discovery Suggests Earth Had Multiple Hidden Moons]( Our planet’s primordial past was so much more complex than we thought. [Read More]( [Alternate text] [Alternate text] [A Flight Mechanic Sat on the Tail of a Fighter Plane—And Accidentally Took the Ride of Her Life]( A Flight Mechanic Sat on the Tail of a Fighter Plane—And Accidentally Took the Ride of Her Life]( When faced with doom, sometimes the best thing you can do is hang on and stay calm. [Read More]( [The Best 6 Fire Extinguishers For Your Home, According to an Expert]( [The Best 6 Fire Extinguishers For Your Home, According to an Expert]( A fire chief weighs in on what to look for in an emergency fire extinguisher. [Read More]( [Alternate text] [Alternate text] [These Editor-Approved Gutter Guards Prevent Clogs Before They Happen]( [These Editor-Approved Gutter Guards Prevent Clogs Before They Happen]( Ensure everything is free from leaves, debris, and other detritus. [Read More]( [Alternate text] [Puzzmo]( [LiveIntent Logo]( [AdChoices Logo]( [Need Assistance? Contact Us.](mailto:pmpmembership@popularmechanics.com) Follow Us [Unsubscribe]( | [Privacy Notice]( | [CA Notice at Collection]( Popular Mechanics is a publication of Hearst Magazines. ©2024 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779