Electricity

CES 2024, the world's largest annual consumer technology trade fair, was held in Las Vegas January 9-12.

The Eight Coolest Inventions From the 2024 Consumer Electronics Show

A solar-powered electric vehicle, an at-home “multiscope,” an office bike that charges your devices and more were unveiled at the annual Las Vegas trade show

Adding water to beans before grinding them can help produce a more flavorful brew and cut down on mess, according to a new study.

This Simple Trick Will Help You Brew Better Coffee, According to Scientists

New research explores how moisture affects static electricity and clumping of ground coffee beans

Magnets can levitate over superconductors, which expel a magnetic field.

Paper That Claimed a Room-Temperature Superconductor Breakthrough Is Retracted by the Journal 'Nature'

The discovery, which would have revolutionized energy, was surrounded in controversy from the start

Twenty Blues trains are now running—and plans are in the works to bring more than 100 into operation.

Europe's First Battery-Powered Trains Are Here

The tribrid trains now running in Italy can switch between battery power, electricity and diesel

The tiny device generates electricity from the air in a way that resembles how clouds make the electricity we see in lightning bolts.

This New Device Generates Electricity From Thin Air

Nearly any material covered with tiny holes can derive energy from humidity, per a new study, opening doors to more sustainable power

View of the Skagit River, with the Diablo Dam (completed in 1930) visible

On This Disputed River, Progress May Mean a Return to the Past

Winding through British Columbia and Washington, the Skagit has a history that reflects competing conceptions of advancement

Range anxiety is still a major hurdle for prospective EV buyers.

What Will It Take to Charge Electric Vehicles Faster?

To get more EVs on the road, these scientists are working to charge a car in the same time that it takes to fuel up at a gas station

Electric cars from Tesla, photographed in 2018

EPA Proposes Tightest-Ever Emissions Limits for Cars

If approved, the rules could lead to electric vehicles comprising 67 percent of new car sales by 2032

Driver-optional e-tractors promise to increase efficiency while cutting emissions.

Could Electric Tractors Revolutionize Farming?

The vehicles may change the agricultural landscape by scaling sustainability and increasing efficiency

Lake Mead in July 2021—the lighter colored rocks indicate how high water levels used to be. Last summer, the lake was filled to just 27 percent of capacity, its lowest water levels since 1937.

U.S. Proposes Cuts to Colorado River Water Usage

Negotiations between states have not produced an agreement on how to allocate the dwindling water, so the federal government has offered tentative plans

The adaptive lighting cooked up by Camilla Rathsach and Mette Hvass would automatically adjust to the availability of moonlight, tweaking this church’s lighting automatically to balance visibility and darkness. This mock-up shows how the church would be lit under a full moon.

This Danish Church Is a Beacon for How to Protect Wildlife From Artificial Light

A proposed design looks to automatically adjust the exterior lighting on the Anholt Island building to the moonlight

Bradbury's encounter with Mr. Electrico “really started him on his quest to become a writer, which was essentially a quest to become immortal,” says Jason Aukerman.

The Sideshow Magician Who Inspired Ray Bradbury—Then Vanished

Experts have been unable to verify the existence of Mr. Electrico, whose 1932 electric chair act supposedly affirmed the young author's interest in writing

Large-scale production of green hydrogen is seen as an alternative to the use of fossil fuels in the coming decades. Latin America is well-positioned to play a large part in this new industry and already has several projects in the works.

Can Green Hydrogen Help Power Latin America?

In anticipation of future demand, several projects are underway in the region to produce this clean energy source

Concept art for the final form of NASA's experimental X-57 Maxwell electric plane. The plane is not expected to ever reach this phase, as the program's time and funds are running out.

NASA’s Electric Plane Will Take Flight This Year—but Its Future Is Uncertain

The X-57 Maxwell has removed some barriers to electric flight, but its funding expires soon

The twilight sky as seen in Coonabarabran, Australia

Light Pollution Is Outshining Stars Faster Than Thought

The artificial glow threatens astronomy, migrating birds and human health

Lightning rods can protect from lightning strikes, but they can only shield nearby areas.

Scientists Guide Lightning Bolts With Lasers for the First Time

The technology could one day protect wider areas than metal lightning rods do, perhaps shielding airports and launchpads during storms

The new trains will feature better lighting, improved signage, panoramic windows, outlets and USB ports and other upgrades.

Take a Sneak Peek at Amtrak’s Newest Trains

The Airo trains will have larger windows, newly designed cafe cars and updated seating

A cross-section of a spinal cord at five times magnification.

Researchers Identify Neurons That Might Help Paralyzed People Walk Again

With electrical stimulation and physical therapy, nine people with spinal cord injuries regained the ability to stand and take steps

The top ten toys rated by Purdue University engineers help children build spatial reasoning, problem solving, coding and design thinking skills, among others.

Engineers Pick the Ten Best STEM Toys to Give as Gifts in 2022

Children can build strategy, critical thinking and resilience during expert-approved play

The tunnel opens onto an outdoor platform offering views of Horseshoe Falls.

Wander Through a 2,200-Foot-Long Tunnel Beneath Niagara Falls

The tunnel, which opened to visitors this summer, was once a vital part of a hydroelectric power plant on the Canadian side of the iconic cascades

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