Engineering

Researchers from the University of Washington conducted an initial experiment of cloud brightening technology in Alameda, California, on San Francisco Bay.

A Secretive Experiment Released Salt Crystals Over San Francisco Bay—Could It Help Curb Warming?

The technology could make clouds reflect more sunlight, cooling the Earth below. But even the scientists leading the study say letting go of fossil fuels is a much-preferred response to climate change

The cargo ship Dali ran into the Key Bridge after losing power on March 26.

A Massive Crane Helping With the Baltimore Bridge Cleanup Was Built to Recover a Sunken Soviet Submarine

The Chesapeake 1000 was used to construct a ship for a top-secret CIA mission in the 1970s

An artist's concept of Intuitive Machines' Moon RACER LTV

See NASA’s Initial Moon Buggy Concepts, Expected on the Moon by 2030

Three companies are competing to design NASA's lunar terrain vehicle (LTV) for the agency’s Artemis campaign

The castle's mill was integrated into the residential space and powered by a canal that flowed beneath the building.

Archaeologists Uncover Medieval Castle Hidden Beneath a French Hotel

Excavations revealed a moat, pipes, jewelry, coins and other artifacts amidst the structure's ruins

The steel frame of the Francis Scott Key Bridge rests atop of a container ship following the bridge's collapse on March 26, 2024.

Seven of the Worst Bridge Disasters in World History

The collapse of Baltimore's Francis Scott Key Bridge is shocking—but not unprecedented

The researchers first observed cicadas urinating during a research trip to Peru.

Don't Look Up: Cicadas Produce High-Speed Jets of Urine

The noisy, winged insects produce pee the same way that much larger animals do, according to a new study

Wildlife officials released 830,000 fall-run Chinook salmon fry into Fall Creek. A large but unknown number of them died as they passed through a tunnel on the Klamath River.

Hundreds of Thousands of Salmon Die After Release in Northern California's Klamath River

The juvenile Chinook salmon likely died from pressure changes as they swam through an old tunnel in the Iron Gate Dam, slated to be removed this year as part of a massive demolition project

ArTreeficial is a solar-powered, self-cleaning, artificial-intelligence-driven “tree” that entices the spotted lanternfly and eliminates the bug using an electronic mesh.

This High Schooler Invented an A.I.-Powered Trap That Zaps Invasive Lanternflies

Using solar power, machine learning and her family’s patio umbrella, 18-year-old Selina Zhang created a synthetic tree that lures the destructive species

One potential tool to combat the growing affordable housing problem, which the National Low Income Housing Coalition says has grown to a need for more than 7 million homes, is 3D printing.

Can 3D Printing Help Address the Affordable Housing Crisis in the United States?

The construction is faster, cleaner and more affordable, but experts acknowledge some trial and error is needed

Leonardo da Vinci's The Last Supper in Milan, Italy

Ken Burns Turns His Lens to Leonardo da Vinci

An upcoming two-part documentary will be the filmmaker's first foray into a non-American subject matter

University of Nebraska engineer Sean Crimmins loads the robotic arm into its case. A surgeon on Earth will remotely guide the robot through a surgical simulation while it is on the International Space Station.

This Remotely Controlled Robot Will Conduct a Simulated Surgery on the International Space Station

Robot surgeons could treat astronauts on long space missions—but they could also be used on Earth in places where surgeons aren't present, such as rural areas or war zones

This prototype of the Mars Ingenuity helicopter achieved the first successful free flight under simulated Martian conditions (on Earth) in 2016.

Prototype for Mars Helicopter Will Soon Be on Display at National Air and Space Museum

The surprisingly long-serving Ingenuity ended its historic service after breaking a rotor

The original Macintosh computer may seem quaint today, but the way users interacted with it was game-changing.

Forty Years Ago, the Mac Triggered a Revolution in User Experience

When it was introduced in 1984, Apple's Macintosh didn't have any striking technological breakthroughs, but it did make it easier for people to operate a computer

The United Launch Alliance's Vulcan Centaur rocket launches from Cape Canaveral, Florida, on January 8, carrying Astrobotic's Peregrine lunar lander.

American Moon Mission Suffers Fuel Leak, Has 'No Chance' of a Soft Landing

Launched early Monday, the Peregrine spacecraft started losing propellant almost immediately, and the mission, which is carrying NASA scientific instruments, has been derailed

The capsule has a gelatinous coating that dissolves in stomach acid.

Engineers Design a Vibrating Pill for Weight Loss That Could Create a Feeling of Fullness

The capsule is the size of a multivitamin, and in an experiment with pigs, it appeared to reduce the animals' appetites

Monarch butterflies' signature white spots could help them fly—and inspire better drones.

Seven Scientific Discoveries From 2023 That Could Lead to New Inventions

Biologists learned lots about animals and plants this year, and their findings could inspire better robots, medicine and environmental technologies

A pneumatic mail tube at the main Post Office Department branch in New York City, circa 1914 or 1915

When a Labyrinth of Pneumatic Tubes Shuttled Mail Beneath the Streets of New York City

Powered by compressed air, the system transported millions of letters between 1897 and 1953

See-through wood has a number of interesting properties that researchers hope to exploit.

The Surprising Possibilities of See-Through Wood

Stronger than plastic and tougher than glass, the resin-filled material is being exploited for smartphone screens, insulated windows and more

Boat docks sit on dry, cracked earth at the Great Salt Lake's Antelope Island Marina on August 1, 2021.

Could a 550-Mile Pipeline From the Ocean Save the Great Salt Lake? Scientists Say Probably Not

New research suggests the electricity costs would exceed $300 million per year and carbon dioxide emissions could approach one million metric tons annually

The products range from measuring games to coding activities—and even include a robot that introduces children to artificial intelligence.

Ten Engineer-Selected STEM Toys to Give as Gifts in 2023

From coding to building to circuitry, these educational activities support basic skills to serve children in science, engineering and beyond

Page 2 of 22