Fire engines are among the most complex vehicles on the road

How fighting wildfires works

Firefighters use sophisticated strategies to control wildfires that sometimes cover thousands of acres. This video breaks down how teams set up fire lines to isolate the fires by cutting down brush and trees around the existing fire, among other...

How fighter jet ejections work

One of the most complex pieces of equipment in a fighter jet is the pilot's ejection apparatus, and the process of ejecting is far more challenging and violent than its depicted in film. This six-minute video breaks down the protocol step-by-step.

Visualize the components of fireworks

This article provides animated diagrams depicting how different parts of fireworks function. The elements work together through timed mechanisms to produce desired effects.

See how a 2018 fire in Paradise, California, exposed the limits of emergency coordination

This Frontline documentary shows how the Camp Fire stretched and ultimately overwhelmed the complex web of agencies involved in emergency response, including fire suppression, 911 dispatch, law enforcement, and emergency management, with catastrophic results.

The hidden engineering of gas stations

Contemporary gas stations are the result of a century of engineering progress. In the early 1900s, only a few thousand cars drove around, and they used kerosene. As vehicles and cheaper gasoline became more popular, fire hazards grew, forcing the invention of fuel pumps, underground storage tanks, and the automatic shutoff valve—all engineering marvels.

Watch a drone flight through a fireworks display

This video explores the history, construction, and preparation of modern fireworks displays, including creating gunpowder from scratch. Experimentation with fireworks underwater is also featured, but they require special materials to prevent water from infiltrating the fireworks shell.

See how the presidential motorcade protects the president on the move

This video breaks down how the motorcade—anchored by the armored limousine known as "the Beast"—operates as a mobile security network. An animated simulation shows how agents and vehicles respond to potential attacks to keep the president safe in transit.

While gas-powered engines typically have 2,000 moving parts, electric vehicles have about 20.

Watch a pyrotechnician answer questions about fireworks

Professional pyrotechnician Patrick Cyrana answers the internet’s most curious questions about fireworks, from designing ghost effects and exploring how electronic firing systems work to explaining what it takes to create displays in the rain.

Why Water Towers Are Built This Way

Learn how your body is, scientifically, like a firework with its own slow, controlled burn.

Watch how engineers salvaged almost every sunken ship at Pearl Harbor

This four-part video series explains the massive effort to raise, repair, and refloat the Pacific Fleet—detailing the engineering challenges, diving operations, and months of around-the-clock work that restored all but three damaged ships to active service.

Internal-combustion engines convert fuel into motion using controlled explosions

Gasoline engines mix fuel and air, compressing it and igniting it to create thousands of tiny explosions that push pistons up and down. This movement spins the crankshaft, which moves a vehicle's wheels.

Most US fire departments are staffed entirely by volunteers, though they tend to serve smaller communities

According to the Federal Emergency Management Agency's 2024 registry, 70% of US fire departments are all volunteer, while 9.5% are fully staffed with paid employees. Volunteer departments are mainly found in rural and suburban areas, whereas most urban Americans are served by career or mixed departments.

The complex science of snow removal

Plowing snow seems simple, but its actually a technically complex task and requires significant logistics, patience, and funding. New York City's 19,000 miles of roads require days to plow at a cost of $12M per inch of fallen snow, and roughly 17 million tons of salt were applied to road surfaces across the US in a recent year. Dive into the details of snow removal with an in-depth and funny video.

F1 pit crews change tires in less than 3 seconds

Roughly 16 people cooperate in a highly coordinated sequence of events to swap tires mid-race without losing the driver any time. Watch a slowed-down explanation of each person's job in the crucial pit-lane moment.

A history of raising the alarm, from rattles to 911

Because fires spread so quickly, communities around the world have deployed many tactics to raise the alarm to get help. This history from the Museum of Natural History dives into the use of rattles, bells, and brigades to gather help to fight fires, showing just how far we've come since 911 was introduced in 1968.

As many as 100,000 fire ants can interlock with one another and form a living raft to save their colony when at risk of drowning in rising water.

Essential pipes, sewers, and cables lie buried beneath New York City

The Department of Design and Construction offers a tour of its work sites, explaining the complex systems that exist underground. Gas, electrical, telecom pipes, and many others, sprawl out underneath the entire city, with dozens of maps that help workers know where they're placed. This layout is unusual compared to the rest of the country, where wires are often present and visible above ground.

343 members of the Fire Department of New York died on 9/11 trying to rescue people from the World Trade Center.

F1 driving requires intense strategy, endurance, and strength

Formula 1 cars are the peak of human engineering, and the humans driving them must have exceptional skills to master their cars. This Wired video talks to former performance coach Clayton Green to uncover what makes Formula 1 drivers such unique athletes. Learn why drivers focus on neck strength to combat extreme g-forces, and what those forces do to a driver's body over a race.

The basic science of rockets

How do rockets work? What is the science behind a rocket launch? How does a rocket go into space? In this short and simple video, we discuss the science of rocket propulsion and what takes to get these vehicles into orbit.

Go behind the scenes of a 911 dispatch center.

How trees transport water from roots to leaves

Trees move water to their extremities via a deft system starting from the roots to the leaves. See how it works in this short video breaking down the process in a Douglas fir.

Volunteer fire departments are declining as communities shift to career staff

As populations increase and emergency calls grow more complicated, many communities are replacing volunteer fire departments with full-time professional staff—a change that boosts response capacity and reliability but also significantly raises costs.

A quick video on how your immune system works

Explore how your immune system's vast network of cells, tissues, and organs coordinate your body's defenses against bacteria, viruses and toxins with this 5-minute TED talk video.

Fire districts and fire departments are governed differently

A fire department is usually a municipal agency under the control of city or county authorities. In contrast, a fire district functions as an independent special district with its own elected board, separate budget, and taxing authority.

There are five main types of FIRE

Many different types of FIRE exist, and their methodologies and end goals vary drastically. “Lean FIRE” followers, for instance, are minimalists who plan to live modestly in retirement. “Barista FIRE” proponents plan to work part-time in retirement.

Most Mardi Gras floats are constructed from foam and papier-mache

The moving sets were originally drawn by mules and made of wood. Now, they're motorized and intricately crafted from foam and papier-mache. This virtual tour of Mardi Gras World—a New Orleans warehouse responsible for floats for various krewes, as well as for Disney and Six Flags—showcases their vibrant designs.

The ingredients that make up severe weather

A seven-minute video illustrating how a storm is made. These factors—moisture, instability, lift, and shear—are explained through a series of data sets and creative, descriptive diagrams.

Explore 14 iconic self-driving cars from television and film

From the heroic KITT from "Knight Rider" and Batmobile from "Batman" to the demonically possessed Christine from Stephen King’s "Christine," many of the vehicles on this list are examples of how classic cars have been personified in media.

Fireworks' chemical composition and internal layout produce their unique displays

The burning of different metal compounds, facilitated by combining fuel with oxidizers, results in explosions of varying colors. The timing and pattern are engineered through the arrangement of pellets and fuses.

Watch how scientists learn about hurricanes by flying into them

A specialized fleet of Air Force planes is built to fly into hurricanes and gather critical data from inside the storm. Beyond radar and microwave sensors, the planes are equipped with dropsondes—small instruments dropped into storms to measure pressure, temperature, and wind.

See how fireworks are made and which metals are responsible for different colors.

Modern landfills use layered liners, leachate systems, and gas monitors to safely contain waste

Today, landfill engineering is far more complex than a hole in the ground, which was largely the system cities used less than a century ago. This video explains how it actually works.

Fascinating 3D animation shows how Romans built roads

Highly efficient engineering and materials production allowed Roman administrators to lay down nearly 50,000 miles of roads across the ancient empire. These roads were built so effectively that many are still around today. Watch this quick 3-minute video to see how they did it.

How do vaccines work? Watch this brief 101

Watch this under-3-minute video explaining how vaccines use the body's immune system to prepare our bodies against viral and bacterial threats to our health.

The complex production machine behind Eurovision

This short Wall Street Journal documentary goes behind the scenes at Eurovision to show how the elaborate stage show—which features a production manager, speedy run crews, and a digital floor outlining the location of every prop for every performance—hums along so smoothly.

Watch a goldfish drive a car

Dutch engineer Thomas de Wolf created a car for a goldfish, or a water tank on wheels that is directed by the movements of the creature inside it. Using a motion-sensing camera, when Blub the fish moves to one side of the tank, the camera moves in the same direction.

America's first trained EMT service was established in Pittsburgh's inner city

Watch this documentary about the Freedom House Ambulance Service—the foundation for all paramedic training in America. Founded in 1967, this emergency care force composed of Black men and women from Pittsburgh sought to respond to Pittsburgh's Black community emergencies when the Black community couldn't rely on the police and fire departments to consistently respond to their emergency calls.

Each person on a racing pit crew has a specific task

No matter what track a NASCAR driver is on, they will eventually need a pit stop to change tires and add fuel. When the cars skid into their pit box, every millisecond counts. This long-form documentary from Joe Gibbs Racing shows the training each pit crew member goes through.

Ingenuity and advanced engineering have allowed trains to overcome extreme landscapes

The Jungfrau Railway utilizes electric trains powered by hydroelectric energy to ascend the Swiss Alps, while Poland's Elbląg Canal hauls ships along cable-powered tracks driven by waterwheels. Germany's Wuppertal monorail navigates bends as it glides over a river valley, and New Mexico's Holloman High-Speed Test Track can achieve speeds of Mach 8.6 for rocket sleds.

Watch a pyromusical display to AC/DC’s “Thunderstruck”

The same principles behind fireworks also power the types of pyrotechnic displays in some live events. Here, you can see an application of the technology in a pyromusical set to rock band AC/DC’s iconic song, “Thunderstruck.”

NASCAR automobiles have become significantly more complex over time

The first generation of NASCAR automobiles were nearly identical to on-the-street models, with no modifications allowed to the body or frame. They even raced with doors. Fast-forward 75 years and the cars are 670-horsepower machines designed for racing.

School buses are the safest vehicles on the road

Even without seat belts or airbags, the big yellow school bus transporting millions of students to school each day remains the safest vehicle on the road. A long history of tragic lessons led to today's highly tested school bus design, including the padded compartments created by school bus seats, multiple emergency exits, cross-view mirrors, and more.

Humans can have brain damage after four minutes without blood flow.

How the body produces urine

Things seem so simple when nature calls. But, how does the body actually produce the urine we so regularly and thoughtlessly expel? This detailed, comprehensive animation walks viewers through every step with precise illustrations, from the kidney's filters (known as nephrons) to the direct nerve connecting the bladder to the brain. See how the body does it here.

Go behind the scenes of Air Force One

ABC News takes viewers inside Air Force One, revealing how the president's plane operates as a secure command center in the sky. Explore the logistics and coordination that go into every presidential flight.

How tea gets made

Tea is one of the most consumed beverages in the world, and this video walks us through the process of supplying it from farms to our mugs. Workers handpick leaves, ferment them, and dry them as part of this involved operation. Follow along for a scientific understanding of the many steps it takes to produce tea and appreciate the detail and effort to create its flavor, aroma, and color.

An interactive dive into the immune system

Our bodies are equipped with an incredible system able to fight off invasive pathogens to protect us from illness. The complicated system includes lymph nodes, the spleen, bone marrow, and even the tonsils. But this same system can turn against itself, a condition known as autoimmune disorders. Follow along with this thorough, engaging explainer on the human body's defense system.