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,

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.

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 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.

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

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.\"

Leroy Hood Wants to Show You How to LIVE FOR A REALLY, REALLY LONG TIME

With a big data approach and a focus on disease prevention, the renowned biologist is on a quest to start a healthcare revolution

How We'll Die on Mars

Establishing a permanent human presence on the Red Planet will be risky, but researchers are finding solutions that will keep future residents alive Long enough to die peacefully. Here's how it could happen

Whether We Should Bring Back the Woolly Mammoth

At first blush, it sounds like a line from Jurassic Park, the fictional dream of resurrecting creatures long dead

If AI Can Take Our Jobs

CHAT GPT HAS RECENTLY BLOWN UP THE internet with its ability to replicate human speech

These Tips to Increase Your Home's Water Pressure

WHEN SHOWERHEADS IN YOUR HOME ARE WEAK, water dribbles out of faucets, and the washing machine takes forever to fill, the problem could be low water pressure

If We'll Ever Reach Warp Speed

THE SECRET TO FASTER-THAN-LIGHT physics could be to double down on the number of dimensions, according to research published last December in the journal Classical and Quantum Gravity

PlayStation VR 2 Is the Second Chance for Blockbuster VR

SONY'S PLAYSTATION VIRTUAL REALITY (PSVR) 2 headset represents the next generation of highfidelity VR

The Truth Is Out There.So Is Lue Elizondo.

Unidentified craft are entering restricted U.S. airspace. Elizondo wants to ensure they don't cause the next Pearl Harbor

Achieving Nuclear Fusion Ignition

Can't Stop Thinking About

What's Lurking Behind the Milky Way

Can't Stop Thinking About

Home Theater

Cue up a cinematic even Spielberg experience that would envy.

Carburetors vs. Fuel-Injection

CARBURETORS USE THE VACUUM CREATED by the intake stroke of the engine to force air through their ports and passages. As the air flows through, it simultaneously forces fuel into the combustion chamber.

KTM Used Fuel Injection to Revamp Two-Stroke Engines

TWO-STROKE ENGINES USED TO BE UBIQUITOUS IN DIRT bike racing, thanks to their lightweight construction and horsepower. Packed in a dirt bike frame, they make a motorcycle playful in the corners and plenty fast when the throttle's wide open.

Colorful, Accurate Inkjet Printers for Your Documents and Photos

BETWEEN TODAY'S REMOTE-WORKPLACE DEMANDS and a looming tax season, you likely have a lot of paperwork on your hands. You need a reliable printer to quickly crank out hard copies of important documents.

HAVE SOME SCRAP WOOD? MAKE THIS DIY SHAKER STEP STOOL

We built this little stool using just a few common tools and some scrap wood. For accurate crosscuts, we recommend using a miter saw. For the notch, a table saw is the better choice.

Nixing the Chaotic Leap Second

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