Modern innovations have allowed rides to simultaneously become more extreme and safer

The odds of getting seriously injured on a US roller coaster are one in 15.5 million rides taken

Understanding the mechanics of a ride can help explain why they are so safe. Lift hills, launches, and breaks are each crucial components of coasters and are designed to possess numerous safety features in case of any dysfunction.

Millennial tastes in amusement parks have made coasters more family-friendly

As parks raced to make the biggest, longest, tallest roller coasters, costs skyrocketed, and the return on investment became more challenging to achieve. Consumer tastes have also changed, with Millennials in the US preferring more mid-tier rides for family inclusion.

Researchers are studying roller coasters to improve mental health treatments

Scary rides stimulate our fight-or-flight response while simultaneously releasing feel-good endorphins like dopamine, serotonin, and oxytocin. Once we realize we're in a safe space, we can enjoy the ride and even feel confident and relieved by the accomplishment of overcoming a fearful feat.

Corkscrew roller coasters feature tracks that twist 360 degrees around their axis

Thanks to the incorporation of steel, rides have gotten increasingly versatile, daring, and smooth, performing loops and turns that are much more difficult to safely achieve with wood.

Roller coasters can cost millions of dollars to make, but they often offer a substantial payoff

Over 6,000 roller coasters are in operation around the world as of 2025, with ongoing demand to build more each year. Despite being costly (some theme parks pay upwards of $50M for these rides), their financiers are able to justify the investment when considering the long-term value of a ride that sticks around for decades with daily streams of visitors.

The impact of gravitational force on our bodies surprised early coaster riders and engineers

There is only a certain amount of gravitational force that the body can handle before dealing with consequences like short-term vision loss or unconsciousness. Increased scientific understanding has largely reduced these impacts, with engineers combining periods of intense pressure with periods of relief.

Today's cars use turbocharged hybrid engines and AI-assisted technologies

In addition to enhanced speed, serious accidents and technological advances have led to major innovations, leading to more aerodynamic and more protective cars.

The steep and slippery Russian ice slides sparked centuries-long obsessions with thrill-seeking

When a French traveler happened upon the 17th and 18th century Russian pastime of sledding down man-made hills, he brought the idea home and inspired others to modernize the mechanics. Adoration for coasters spread around Europe and eventually reached the US, where the scream machine would undergo major advancements.

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.

NASCAR’s SAFER barriers help reduce tragedies at races

Following the death of Dale Earnhardt Sr. in 2001, NASCAR changed its culture to be safety-first. Part of its changes were to install barriers along tracks that would help absorb the majority of g-forces in a crash. This Daily Downforce article walks through the history of the SAFER barriers, why NASCAR originally chose concrete, and how much of the tracks are covered today.

Honda and Yamaha have developed motorcycles with self-balancing systems

Honda's "Riding Assist Technology" was introduced in 2017 and maintains the motorcycle's stability by leaning away from the direction of the front wheel and adjusting the front fork's angle at low speeds. Yamaha's system uses actuators to achieve balance during stops and starts.

Six Flags’ now defunct Green Lantern ride was known to many as a ‘pelvic nightmare’

The Defunctland YouTube channel focuses on telling the stories of extinct amusement rides and experiences, like the ambitious “Green Lantern” coaster that ran from 2011 to 2024. Critics, enthusiasts, and casual riders alike seemed to agree the ride was the worst at Six Flags due to its discomfort on the lower body.

A rundown of some of the wildest new tech inventions around the world

The US Patent Office approves roughly 300,000 new patents every year. Among these are some fascinating tech inventions, from high-profile robots and automated bike garages to kaleidoscopic shelves and laser-projected directions for scooters. Check...

The trend of onstage mishaps

In the past few years, performers have seen a rise in onstage accidents. While artists are doing their jobs, they face risks of dangerous falls, flying objects, and audience aggression. This article aims to explain why this trend may be occurring and emphasizes the importance of concert-going etiquette and adequate security.

Engineering tall structures requires managing wind, earthquakes, and other destabilizing factors

Reinforced concrete, energy dampers, braced frames, flexible structures, and aerodynamic decks were among the methods implemented when building structures such as the Shanghai Tower, the Texas Super Skyscraper, and the South Rangitīkei Viaduct.

The high-tech mechanisms of the Roman Colosseum

The Roman Colosseum is one of the most iconic amphitheaters in the world and still partially stands today. Aside from its sheer size, the arena was equipped with some of the most high-tech engineering from the classical world, including sophisticated lifts, a huge retractable awning, and an underground network of tunnels, elevators, and trapdoors.

The Civil War introduced many technological advances to both society and warfare

The conflict accelerated innovations—including railroads, telegraphs, ironclad ships, and mass-produced weapons—while advances in photography, medicine, and manufacturing transformed how Americans communicated, healed, and built after the war.

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.

Disney Research developed a haptic interface where you can feel a fireworks display

Disney’s “Feeling Fireworks” uses water jets and a latex screen to replicate fireworks for blind individuals. Such technology may also provide inclusive experiences for the deaf community, though as of 2024, there are no plans to implement them in Disney parks.

People can customize their life insurance policies by adding on extra benefits

While most life insurance policies have similar coverage, adding on these extra benefits (called riders) can help make these policies more bespoke. Some common added benefits include coverage for your children, a high-risk lifestyle, or a critical or terminal illness.

'Special effects' have evolved alongside Hollywood

Since the early days of moviemaking, directors have played with perspective to create incredible effects on the screen. From Buster Keaton to contemporary CGI, this 30-minute documentary details the amazing evolution of Hollywood's special effects.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Simulations incorporating mixed reality have improved trainee certification rates

Such software provides immersive, risk-free environments where students can manipulate digital re-creations to optimize the training experience without producing waste. One meta-analysis showed that MR in welding training boosted passing rates on certification exams by 41.6% versus traditional training methods.

Paper boarding passes have become rarer in recent years

Many travelers have shared their attachment to the documents as their utility fades. This sharply illustrated timeline reviews the development of the paper boarding pass as technology evolved.

What's next for surgical robots?

Since robots were introduced into the operating room in 2001, their patients have seen improved recovery times and decreased risks of infection. This article describes what's next for surgical robots, which, so far, have remained under human...

How global conditions have improved over 200 years

In an era of 24-hour news, it can feel as if the world is on a perpetual downward spiral. This set of visualizations zoom out, and show how global living conditions have improved in recent centuries. The percentage of people living in extreme...

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

Watch how algorithms can be designed to train themselves and self-improve without human input, to the point where the optimized code is too complex for programmers to understand.

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

After 25 people used virtual reality headsets to practice flying with virtual wings—flapping their arms—their visual cortex responded to the wings almost as if they were real arms, treating them as body parts.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

The animatronic shark from Steven Spielberg's 'Jaws,' the first modern blockbuster, was a complex underwater apparatus called 'Bruce.'

Human-to-human transmission of hantavirus remains extremely rare, so the 2026 hantavirus cruise ship outbreak doesn't mean we're facing a COVID-style pandemic risk.

See the evolution of Ebola vaccine and treatment development.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

70 years ago today, city officials in Santa Cruz, California, banned rock 'n' roll to protect its youth from corruption after witnessing a 'provocative' concert the night before.

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

To reduce wrinkles in clothing, research recommends gentle wash cycles with more water and tumble drying with smaller loads and longer times.

Volcanoes 'die' when their supply of magma runs out, if they are shifted away from their underlying magma reservoir, or if they get clogged by collapsing or their magma cooling back into rock.

Poison ivy will likely become both larger and more resilient due to climate change.

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

Artificial coral reefs have been 3D printed from nontoxic, biodegradable terracotta clay, which coral polyps have used as a foundation for rebuilding marine ecosystems.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.