Read the latest articles from Popular Science (Page 517)

Stellantis car engine in black on a white background
Electric Vehicles

Meet the Hurricane, a new twin-turbocharged engine by Stellantis

The new power plant is said to be 15 percent more efficient. Here's how it works.

a woman wearing a mask finished receiving a shot and is getting a bandaid on her arm
Vaccines

Everything you should know about getting a second COVID booster

The FDA greenlit second boosters for some populations as early data shows the extra shot might provide additional protection.

an illustration showing several badges and awards that say "brilliant 10 awards"
Science

Nominations are open for PopSci’s Brilliant 10 awards

Help us find scientists and engineers with game-changing ideas.

Tracing the controversial history of cluster bombs, from the USSR to Ukraine
Weapons

Tracing the controversial history of cluster bombs, from the USSR to Ukraine

What to know about cluster munitions, precision-guided weapons, and US and Soviet arms development during the Cold War.

Sikorsky’s fancy new helicopter completed its longest flight yet
Aviation

Sikorsky’s fancy new helicopter completed its longest flight yet

The Defiant is a candidate to be the next Black Hawk. It recently traveled away from its testing site in Florida to Tennessee.

Helium that escapes from Earth into space might hint at how the planet formed.
Solar System

A rare gas is leaking from Earth’s core. Could it be a clue to the planet’s creation?

Escaping helium suggests our world may have formed quickly in a young solar system.

atm logo
Cryptocurrency

A House bill could create an experiment on digital US cash

The introduction of the ECASH Act, along with a recent executive order, shows how the US government is thinking about the future of money.

A person holding their phone up at a concert to record or live-stream the performance.
Tech Hacks

How to start a livestream from your phone

Going live in 3, 2, 1...

Oil containers with fruits and vegetables in kitchen.
Agriculture

Which veggie oil is most sustainable? It’s complicated.

Greenhouse gas emissions are only one part of the equation.

A woman standing in front of a stone wall and looking through her phone at something off-screen, maybe scanning text on a sign.
Tech Hacks

The fastest way to scan text on an iPhone or iPad

Update to iOS 15.4 and iPadOS 15.4 to see if you have this feature.

A partially closed Macbook laptop emitting multi-colored light in a dark room.
Tech Hacks

Make sure no one is spying on your computer

Keep your digital life private.

This new Mercedes self-driving system lets you take your eyes off the road
Self Driving

This new Mercedes self-driving system lets you take your eyes off the road

Under certain conditions, a vehicle with Drive Pilot can totally operate the car. Go ahead and stare at your phone.

A man working on a laptop while sitting on a rock overlooking a city at sunset.
Life Skills

Essential tips and tools for working remotely—from anywhere

Productivity is just a laptop and a WiFi connection away.

The US could get a peek into Russia’s electronic warfare secrets thanks to Ukraine
Military

The US could get a peek into Russia’s electronic warfare secrets thanks to Ukraine

What to know about the Krasukha-4 signal jammer and the technology of electronic warfare.

a man wearing sunglasses and a space suit gives a thumbs up after landing back on earth
International Space Station

After 355 days in space, an American astronaut rides home on a Russian capsule

In his last mission to space, NASA astronaut Mark Vande Hei makes a safe return to Earth on Russia's Soyuz spacecraft.

The Hubble Space Telescope, which has captured the farthest star yet.
Space Telescope

Hubble spies the most distant star ever found

It takes 12.9 billion years for light from the star, Earendel, to reach Earth.

Seaweed growing underwater
Ocean

Why seaweed is a natural fit for replacing certain plastics

Five out of eight finalists for a million-dollar sustainability prize floated algae as an alternative for plastic film.

People in masks waiting on a New York City street in daytime for free COVID-19 testing at a blue truck
COVID-19

COVID relief funds are drying up—and so are free tests and treatments

Uninsured Americans are already feeling the effects.

Dyson Zone Hands-On
Headphones

Dyson Zone hands-on: We tried Dyson’s new air purifying headphones

Dyson's newest device combines a powerful air purifier and ANC headphones into a single, remarkable headset.

Airbus just flew its biggest plane yet using sustainable aviation fuel
Aviation

Airbus just flew its biggest plane yet using sustainable aviation fuel

Derived in part from old cooking oil, the special fuel powered one of the A380's four engines.