Honda and Yamaha have developed motorcycles with self-balancing systems

Nearly every major automaker now offers a hands-free driving system

The capabilities of these systems range from automatic lane changes via eye-tracking to an assistant that reminds you to check your blind spot before changing lanes yourself. Most systems still require the driver to remain alert and be prepared to take over.

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

Several ingenious additions to roller coasters, such as extra wheels, magnetic brakes, and hydraulic system safety bars, have largely reduced discomfort and threats such as broken rides or ejected passengers.

Acoustic Vehicle Alerting Systems provide motor sounds in electric vehicles

Since 2019, various global standards have set requirements for these systems, which seek to mimic combustion-engine sounds by meeting specific sonic criteria, including sound pressure, frequency, and pitch. Sound engineers design these systems to meet these requirements, ensuring that passers-by, particularly the blind and visually impaired, can detect the presence of a vehicle.

As of 2025, Waymo has rolled out "robotaxi" services in five US cities

The company has been under investigation by the National Highway Traffic Safety Administration following dozens of crashes and incidents that appear to show Waymo vehicles violating traffic laws over the past decade in Phoenix, San Francisco, Los Angeles, Atlanta, and Austin.

A 'halo' protects drivers

After the 2015 death of driver Jules Bianchi, Formula 1 mandated that all cars include a protective barrier called a “halo.” This video breaks down how that measure saved the life of Romain Grosjean, who survived a horrific crash in 2020 at a race in Bahrain and later credited the halo as the reason for his survival.

The Cybathlon is an international competition for assistive technology

The competition pits teams against each other in eight races targeting different innovations, such as arm prostheses, leg prostheses, and vision assistance. Participants in the Cybathlon use it to push the boundaries of technology, including brain implants and assistive software that incorporates AI.

Why cows are loving their new robot caretakers

Autonomous robots are transforming dairy farming by letting cows choose when to be milked or cleaned. Dairy robot manufacturer Lely says this ability to decide reduces a cow's stress and increases milk production. The robot systems are costly, but are marketed as increasing efficiency for dairy farmers. And the cows appear to love them.

YouTube plans on embracing AI-powered features

YouTube CEO Neal Mohan lays out a series of priorities and predictions for how the online video giant will continue to evolve. Mohan says the company wants AI to play a bigger role—in addition to figuring out how YouTube can evolve and improve the experience of streaming its content.

See how a type of movement called the Epley maneuver can resolve one type of vertigo

BPPV, benign paroxysmal positional vertigo, occurs when a calcium crystal breaks off and is floating around in the inner ear. This video describes how someone suffering from this type of vertigo can determine if this is an issue and how treatment involves a movement called the Epley maneuver.

The Reevo hubless ebike, the industry's great failure

The Reevo hubless e-bike came out in 2020, touted as the bicycle of the future with no hubs or spokes, a GPS tracker, a fingerprint reader, and a uniquely futuristic look. With less than 3,000 sold, you've likely never seen one, but this bike reviewer shows off the bike's nightmarishly loud noise, terrible brakes, failed smartphone pairing, and more. Watch the full review here.

Counterweights can dampen the impact of seismic activity on buildings

Japan’s Tokyo Skytree uses a free-moving central column inspired by ancient pagodas, while Taiwan’s Taipei 101 contains a 660-ton pendulum on its 92nd floor that swings out of sync with the building.

A battery management system determines the displayed battery percentage

The software in modern devices provides values by combining estimates based on voltage—akin to knowing how much air is left in a tire based on the pressure of the escaping air—and coulomb counting, where the rate of electrical current is calibrated to the ratio of remaining charge to full capacity.

How to make your own DIY ionic thruster

In the search for more efficient, sustainable types of propulsive thrust, scientists have dabbled in developing engines using ionic thrust, a type of propulsion using the attractive force of oppositely charged ions. First introduced by a Russian...

SpaceX successfully caught a rocket booster in mid-air

As part of the fifth test flight of its Starship system, the Super Heavy booster used high-speed navigation systems, grid fins, and Raptor engines to steer itself onto the mechanical arms of a tower called Mechazilla.

Motocross is the deadliest organized sport for US kids

At least 158 participants under the age of 20 have been killed on dirt bikes since 2000, roughly six on average per year (seven times the death rate of tackle football). Observers note risks come from mixing ages and lacking warning systems during crashes.

The COVID-19 pandemic both boosted Peloton's business and shook it up completely

While demand for Peloton's at-home fitness equipment soared during the pandemic, the company didn't necessarily have the infrastructure to support the breakthrough sales. In 2021, Peloton bought Precor—a fitness equipment manufacturing company—to help boost domestic production and decrease a backlog of orders.

The Wright brothers began as bicycle manufacturers in Dayton, Ohio

In the late 1800s, the duo managed several bike shops in the Dayton, Ohio area, where they would sharpen their teeth in engineering and design. Some of their earliest aviation efforts were funded by their bicycle business and initiated in their bike shops.

Mixed reality technologies may help treat depression

A study led by a team from Stanford University showed that MR can help people with depression by providing pathways to engage in activities such as digital board games and dancing. Participants saw reduced symptoms of depression that made their overall treatment plans more successful.

Hydroplaning occurs when a vehicle's tires lose traction on wet roads

Water depth must be over 0.1 inches, and vehicle speed must exceed 50 mph for hydroplaning to occur. Tire wear, size, and tread patterns affect the likelihood of hydroplaning, which is more common for all-wheel drive vehicles.

Muscular system explained

Skeletal, cardiac, and smooth muscles form the system that powers movement, survival, and daily life. Skeletal muscles are voluntary, enabling conscious actions like lifting or walking, while cardiac and smooth muscles are involuntary, controlled by the autonomic nervous system. From every heartbeat to each breath, these three muscle types work in harmony to keep you moving, thriving, and alive.

A tube-and-diaphragm system tells gas pumps when to stop providing fuel

As long as air passes freely through a small hole at the end of the nozzle, the diaphragm is inflated, and fuel flows normally. Once fluid reaches the hole, the change in pressure from the difference in air and fluid densities collapses the diaphragm, which cuts the flow of gas.

Buddhists believe the Buddha practiced yoga

Although yoga is often associated with Hinduism, many Indian spiritual traditions engage with similar practices. It’s said that Buddha practiced an intense form of ascetic yoga before rejecting the practice and eventually discovering “the middle way,” a philosophy that rejected extremes.

What it takes to become a professional jockey

This short documentary follows a young, amateur jockey through early mornings and exhaustive gym sessions, where she rides a simulator made to look like real horses. It's a peek into a highly specialized (and highly unusual) athletic pursuit.

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

Tony Hawk landed the first-ever 900 at the 1999 X Games

Tony Hawk made history by landing the first 900-degree spin in competition in 1999 after 11 attempts—creating one of the most iconic moments in action sports.

The different types of stablecoins include algorithmic stablecoins

In addition to fiat-backed stablecoins, commodity-backed stablecoins, and cryptocurrency-backed stablecoins, algorithmic stablecoins use smart contract-based mechanisms to maintain a stable value by responding to supply and demand.

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.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

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.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

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.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

Venture capital is a form of funding provided to early-stage companies with high growth potential, typically in exchange for an equity (or ownership) stake

The use of fungi to detoxify land and water—a process known as mycoremediation—has been used to clean up natural resources affected by the 2025 California wildfires.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

See the evolution of Ebola vaccine and treatment development.

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.

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.

While atoms are normally made of protons, neutrons, and electrons, exotic ones have been built with antimatter—alternate versions of normal matter that live for fractions of a second and are about a billion times as rare.

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

Hurricanes, which rely on air consistently spinning in the same direction, cannot cross the equator because air curves in opposite directions north and south of it.

Play the role of a student in a game where you try to navigate college and remain debt-free, selecting different income levels, high school experience, race, ethnicity, and more.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

The hormonal disorder PCOS was renamed PMOS in 2026, a move designed to improve care and research by shifting the focus to the hormonal causes of this condition that affects 1 in 8 women.

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.