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The Cascading Failures Behind One of the Worst Building Collapses in U.S. History
Engineers are still investigating the collapse of Champlain Towers South in Surfside Florida, but early findings shed light on a risk facing poorly constructed residential and office buildings,
Cutting the Cord
THE HANDHELD CIRCULAR SAW IS PERHAPS THE MOST VERSAtile power tool for cutting wood.
How Three Amateurs Solved the Zodiac Killer's '340' Cipher
The mysterious code stumped the FBI and NSA for 53 years. What does the key, and the resulting solution, tell us about the infamous murderer?
POPULAR MECHANICS TOP AWARDS 2024
For more than 120 years, Popular Mechanics has been a heavy-duty brand. We see no reason to change that now.
How This Particle Could Break Our Understanding of Reality
EINSTEIN'S SPECIAL THEORY OF relativity teaches us that nothing can accelerate past the speed of light. But what if, when you were born, you were already moving faster than light? What would that look like?
The Right Way to Use a Fire Extinguisher
A FIRE EXTINGUISHER IS MORE THAN A of one 5-gallon bucket becomes the size of 64 burning buckets. Just 180 seconds after it begins, a fire can be transformed from a nuisance to a room-size, life-threatening inferno.
How the World's Largest Spherical Structure Was Built
THE SHINY, NEW LAS VEGAS SPHERE IS more than just a 17,600-seat amphitheaterstyle venue hosting a U2 residency. Since its opening in September 2023, it's become the world's largest spherical structure, at 516 feet wide and 366 feet tall.
The Army's Drone-Killing Laser Weapon
THE U.S. ARMY FIELDED ITS FIRST LASERweapon-equipped unit in October. Based at Fort Sill, Oklahoma, the unit took possession of four laser-equipped Stryker infantry combat vehicles, each mounting a 50-kilowatt-class laser-weapon system. The combination of Stryker and laser can down both artillery, such as mortars and rockets, and drones in-flight.
Why It's So Hard to Mine the World's Largest Lithium Deposit
A Pass, or Peehee Mu'huh to the local Paiute people has been mined since the 1970s, so the new analysis merely confirms what locals have long known about the area.
WHAT THE WORLD'S MOST POWERFUL X-RAY LASER WILL DO FOR SCIENCE
DEEP UNDER MENLO PARK, California, there is a threemile-long machine operating in a tunnel that scientists are keeping colder than even some of the deepest reaches of space.
Giving New Life to a Vintage Toolbox
Rust stripper plus spray paint overhaul a box that launched a business.
Why IQ Tests Are Bad Math
Some experts who study intelligence quotient (IQ) tests say these models are mathematically imperfect and can even lead to race and class discrimination.
The Ways to Travel the Multiverse
For nearly 100 years, physicists have been trying to reconcile the physics of the smallest building blocks of the universe (quantum physics) with the physics of the galactically large (Einstein's theory of general relativity)
The Perfect Whiskey-toWater Ratio
NEAT OR ON THE ROCKS? OR MAYBE just a touch of water? It's a question long debated by whiskey lovers and one largely left to personal preference until now.
How to Break in Leather Boots
WHEN PERFECTLY SHAPED TO your foot, a well-worn leather boot can skyrocket to the top of your most comfortable boot list. Now, a leather boot that has not been properly broken in that's a different story, and one without as comfortable an ending.
The First Roads We'll Build on the Moon
PLANS FOR A FUTURE LUNAR MINING base and the 2025 Artemis III landing on the moon are about to launch a new era of human presence on the moon.
The Safest Table Saw Tech Comes to Home Workshops
Big Important Product
POWER STATIONS
For some folks, the advantages of portable power stations make them an ideal choice.
The Silver Bridge Was a Marvel of Engineering - THEN IT CAME CRASHING DOWN.
How a risky design, cost-cutting, and strange supernatural warnings changed a small town forever
Gadget AWARD'S
Life's good, but having the right tools can make it a hell of a lot better. The tech on the following pages can make knocking out work, gaming with friends, and controlling your home easier. Our editors spent the past year testing dozens of electronics ranging from smartphones to televisions. They used a mix of software benchmarks (where applicable), measurements, and extensive hands-on evaluation to find the devices that offer the most value and best performance-all to identify quality products best poised to serve you for years to come.
CAPTAIN AI
IN 2022, A VESSEL WITH NO HUMANS ABOARD SET SAIL ACROSS THE ATLANTIC. WOULD ARTIFICIAL INTELLIGENCE .BE ENOUGH TO KEEP IT AFLOAT?
Can AI Really Teach a Novice Wood-worker How to Complete Their First Project?
What began as a "simple" thought experiment quickly morphed into a complicated and potentially dangerous hands-on experience in the real world of woodworking
A Living History of the Humble Paper Airplane
For centuries, paper airplanes have unlocked the science of flight—now they could inspire drone designs
Build Our Propane-Fired DIY Pizza Oven
We did it-here's how you can, too.
If We Can Eradicate Zombie Cells
AS WE AGE, OUR BODIES FILL UP WITH a type of dysfunctional cell that permanently stops dividing, called a \"senescent cell.\"
Our Model of Human Color Perception Being Wrong
ON A FLIGHT FROM NEW YORK CITY TO Berlin, the route map might look a little curious: The shortest path between these two cities is surely a straight line, and yet the flight path curves distinctly
The Pentagon's Hypersonic Rocket Engine
HYPERSONIC ENGINES COME IN ALL shapes and sizes-some are even 3Dprinted
How Ukraine's "Secret Weapon" Shrugs Off Russian Radio Interference
SINCE THE START OF ITS WAR WITH Ukraine, Russia claims to have taken out 90 percent of Kyiv's drones with radio jamming
Brava's Glass Smart Oven Cooks at the Speed of Light
SMART OVENS USE A MIX OF SENSORS AND SOFTS ware to cook food to your liking
There Has Never Been a Better Time to Buy a SMART GRILL
THE CHOICE USED TO BE BETWEEN CHARCOAL AND PROPANE flavor or easy