In this issue

Our Solar System’s Moons, Ranked / An exploration of the oddest worlds in our cosmic neighborhood.
By Jennifer Leman

Cementing the Block Legacy / How Lucy Block overcame technical challenges—and grief—on America’s most dangerous hill climb.
By David Howard

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,

8 mins

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?

10+ mins

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.

6 mins

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.

2 mins

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.

3 mins

Giving New Life to a Vintage Toolbox

Rust stripper plus spray paint overhaul a box that launched a business.

4 mins

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.

2 mins

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.

1 min

POWER STATIONS

For some folks, the advantages of portable power stations make them an ideal choice.

4 mins

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

10+ mins

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

4 mins

A Living History of the Humble Paper Airplane

For centuries, paper airplanes have unlocked the science of flight—now they could inspire drone designs

9 mins

Build Our Propane-Fired DIY Pizza Oven

We did it-here's how you can, too.

10 mins

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.\"

2 mins

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

10+ mins

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

10+ mins

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

1 min

If AI Can Take Our Jobs

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

2 mins

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

3 mins

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

2 mins

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

6 mins

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

10+ mins

Achieving Nuclear Fusion Ignition

Can't Stop Thinking About

2 mins

What's Lurking Behind the Milky Way

Can't Stop Thinking About

3 mins

Home Theater

Cue up a cinematic even Spielberg experience that would envy.

5 mins

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.

3 mins

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.

2 mins

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.

4 mins

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.

2 mins

Nixing the Chaotic Leap Second

Can't Stop Thinking About

3 mins

Read all stories from Popular Mechanics US

Popular Mechanics US Magazine Description:

Popular Mechanics US is a widely recognized magazine that caters to enthusiasts of science, technology, and all things related to mechanics. Here's an overview of the magazine's content and its focus on providing valuable insights and information to its readers:

Popular Mechanics US offers a diverse range of content, covering topics such as engineering, DIY projects, automotive advancements, home improvement, technology trends, outdoor adventures, and more. With a rich history dating back to 1902, the magazine has remained a trusted source for practical advice, expert guidance, and in-depth features.
1. Science and Technology: Popular Mechanics US keeps readers informed about the latest scientific discoveries, technological advancements, and innovative ideas shaping the world. It covers topics like space exploration, robotics, artificial intelligence, renewable energy, and emerging technologies, providing insights into how these developments impact our daily lives.

2. DIY Projects and How-Tos: The magazine features step-by-step guides and tutorials for DIY enthusiasts and individuals interested in hands-on projects. From home improvement and woodworking to electronics and automotive repairs, Popular Mechanics US offers practical tips, tool recommendations, and detailed instructions to help readers tackle various projects.
3. Automotive: Popular Mechanics US has a dedicated focus on automobiles, providing coverage on the latest automotive technologies, industry news, and reviews. Whether you're interested in new car models, maintenance tips, or insights into electric and autonomous vehicles, the magazine offers a wealth of information for automotive enthusiasts and consumers.
4. Home and Workshop: Readers looking to enhance their homes or workshops can find inspiration and guidance through Popular Mechanics US. The magazine offers articles on home improvement, DIY renovations, tool recommendations, and tips for maintaining and upgrading living spaces and work areas.
5. Outdoor Adventures and Gear: From camping and hiking to fishing and off-roading, Popular Mechanics US caters to outdoor enthusiasts. It features articles on adventure travel, gear reviews, survival tips, and insights into outdoor recreational activities, helping readers make informed choices for their outdoor pursuits.

6. In-Depth Features and Interviews: Popular Mechanics US delivers in-depth features, interviews, and profiles of experts, innovators, and thought leaders in various fields. These articles provide readers with a deeper understanding of groundbreaking technologies, scientific breakthroughs, and the people behind them.
Popular Mechanics US continues to engage and educate readers by exploring the intersection of science, technology, and mechanics. Through its informative articles, practical tips, and inspiring stories, the magazine empowers readers to stay informed, pursue their interests, and embrace the world of innovation and engineering.