Electricity

This wearable sensor harvests sweat from the fingertips to generate the electricity it needs to measure things such as heart rate and blood-sugar.

New Wearable Medical Sensors Run on Fingertip Sweat

The slim, flexible device could measure blood glucose or heart rate without the need for batteries

Researchers simulated how colliding dust particles imitating a dust storm on the red planet may emit tiny violet flickers of electricity known as triboelectrification, or static charges.

Dust Storms on Mars May Sparkle and Glow at Night

Martian dust clouds may create miniature statically-charged sparks, which could help researchers further understand the planet's atmosphere

The "jaws" of the carnivorous Venus flytrap plant are actually modified leaves.

Magnetic Fields Detected in Venus Flytraps

Researchers used sensitive instruments to measure weak magnetic fields when the flytrap's 'jaws' closed up

New high-speed footage settles a controversy over how electric charges make the connection that leads to bolts of lightning.

Super High-Speed Footage Captures the Moment a Lightning Bolt Forms

The video shows the electricity reaching from the sky and up from a lightning rod until a thin connection appears

Artist's rendering of blue jet lightning blasting from a storm cloud towards space. The International Space Station solar panels can be seen in the foreground.

Mysterious Blue Jet Lightning Seen From Space

Researchers captured an instance of this poorly understood type of lightning using instruments aboard the International Space Station

Lightning strikes over the Atlantic Ocean off the coast of Florida.

Why Are Lightning 'Superbolts' More Common Over the Ocean?

Salt seems to be the reason why bolts are brighter over seas than over land

Jack Yoast, Ambler, Pennsylvania

Eight Elaborate Christmas Displays Across America—and the People Behind Them

In her new book, photographer Danelle Manthey captures a distinct type of American folk art: Christmas light decoration

Let your off-grid home take shape in whatever form best fits your new, adventurous lifestyle.

How to Set Up an Off-the-Grid Getaway

Need a change of scenery? A quiet spot away from crowds? Here are some tips for rigging a remote escape with the bare necessities

Common wisdom tells us that lightning strikes the tallest thing in an open area—so are giraffes at a greater risk of lightning strikes than other animals?

Are Giraffes Doomed to Be Struck by Lightning Because of Their Height?

A recent pair of giraffe deaths sparked the question

Death Valley National Park saw a record-breaking 130 degrees Fahrenheit on August 16. The measurement might be the hottest temperature recorded on Earth since at least 1913, according to the National Weather Service.

Coalition Calls for Naming Heat Waves Like Hurricanes

The group’s climate and health experts say naming and categorizing extreme heat events could save lives

Isle au Haut thoroughfare

A Tiny Island Off the Coast of Maine Could Be a Renewable Energy Model for the Rest of the World

Remote Isle au Haut is integrating time-tested technology with emerging innovations to create its own microgrid

Rust film could be used to cover buoys to generate power for scientific equipment at sea, or on bridges to create electricity for nearby structures.

Could a Rusty Bridge Generate Electricity?

New research shows that water flowing over thin layers of rust can generate power

This Company Is Using Vintage Seaplanes in Their Quest to Become the First All-Electric Airline

Vancouver-based Harbour Air will soon outfit its classic seaplanes with battery-powered aviation motors

The night sky from the Upper West Side of Manhattan glows blue after mishap at Queens facility run by Con Edison.

Electric Arc Caused New York Skyline to Glow Blue

No, it wasn’t an alien invasion

The Patents Behind Christmas Lights

This Christmas, take a moment to appreciate the many innovations that make holiday light displays and the strand of bulbs on your tree possible

Why Aren't There Electric Airplanes Yet? It Comes Down to Batteries.

Batteries need to get lighter and more efficient before we use them to power energy-guzzling airplanes

A time-lapse image showing the plane flying across a gymnasium.

MIT Flies Model Airplane Powered by the Blue Glow of Electric Fields and Ionic Winds

The model plane, with no moving parts, could pave the way for new flight technology that emits no pollutants

Leif Asp envisions a car with a body that acts as an energy source.

Let's Build Cars Out of Batteries

If batteries could make up the very structure of our vehicles and electronics, those products would be far lighter and more efficient

WiTricity has partnered with BMW to release the first consumer-ready remote charging system for an electric vehicle.

Is Wireless Charging for Cars Finally Here?

The Massachusetts startup WiTricity has developed a mat that charges electric vehicles using magnetic resonance

"Light Up" is the winner of a biannual competition for green energy-generating public art sponsored by the Land Art Generator Initiative.

This Golden Canopy Could Power 500 Homes

Architects propose a new sustainable landmark on a Melbourne beach that is both public art and a power plant

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