Read the latest articles from Popular Science (Page 219)

solar power
Renewables

Battery prices are plummeting. That’s good news for the planet.

Battery prices could fall by 40% by 2030, but more work is to be done.

Cheyenne is located at the NCAR's Supercomputing Center in Cheyenne, Wyoming.
Technology

For sale: government supercomputer, heavily used

Cheyenne Supercomputer is up for auction now.

A Starlight MacBook Air M3 in a diagonal pattern on a plain white background.
Laptops

Get Apple’s latest, fastest MacBook Air for $100 off at Amazon—but not for long

If you're looking for a slim laptop with a beefy processor, look no further than the MacBook Air M3, on sale at Amazon.

Artist rendering of exoplanet WASP-43b
Exoplanets

JWST measures ‘Hot Jupiter,’ a distant exoplanet hot enough to forge iron

Blazing temperatures and supersonic winds rule WASP-43b.

Closeup image of a hand writing down on a white blank notebook on wooden table
Life Skills

Why writing by hand is better for remembering things

Keyboards still have a place, but if you want to retain information, grab a pen.

seaweed underwater
Ocean

What the heck is seaweed mining?

Preliminary research suggests seaweed can trap and store valuable minerals. Is this the beginning of a new type of mining?

Woman Sleeping In Bed With Voice Assistant On Bedside Table Next To Her
Tech Hacks

How to use your smart speaker for better sleep

Your versatile home gadget can help you get more qualities zzzs.

A four-panel lineup of the best fire starters
Home

The best fire starters for camping and fire pits, according to experts

Fire starters can help light your fireplace, campfires, and camp stoves, even in bad weather.

clothing on a rack
Health

Denmark will ban clothing with ‘forever chemicals’

Regulations take effect in 2026.

Boston Dynamics Spot robot in puppet dog costume sitting next to regular Spot robot.
AI

Boston Dynamics gives Spot bot a furry makeover

'Sparkles' shows off the latest in robo-dog choreography.

red sedan car during sunset
Vehicles

The 2025 Toyota Camry is hybrid-only and it’s more powerful than ever

Say goodbye to dummy buttons and hello to the most standard power in the car's history.

The best smokeless fire pits composited
Home

The best smokeless fire pits tested and reviewed

A smokeless fire pit can provide a safe, simple way to get a blaze going for your next backyard get together or camping trip.

Aiper Seagull Pro Pool Vacuum next to a pool
Home

Start your Memorial Day prep with up to 33% off Aiper pool vacuums at Amazon

Let a robot do the taxing work of cleaning your pool for your with this AIPER deal at Amazon.

Woman wearing Razer Zephyr Mask
COVID-19

Surprise! That futuristic COVID mask was even sketchier than we thought

Razer owes $1 million in refunds for false N95 claims about Zephyr.

A mechanical analysis of the distinctive canines of California's saber-toothed cat (Smilodon fatalis) suggests that the baby tooth that preceded each saber stayed in place for years to stabilize the growing permanent saber tooth, perhaps allowing adolescents to learn how to hunt without breaking them.
Evolution

How saber-toothed cats’ baby teeth kept their adult fangs from breaking

Scientists simulated the dental adaptations of these adolescent predators.

a pink-hued full moon rises above the new york city skyline
Space

Zippy meteors, a globular cluster, and more light up May’s night sky

Be sure to check out the Full Flower Moon on May 22 and 23rd.

How next-gen data analytics is changing American football
Technology

How next-gen data analytics is changing American football

At the NFL’s Big Data Bowl, scientists compete to develop new stats that better capture player performance.

The best espresso machines of 2024 on a plain white background.
Appliances

The best espresso machines for easy, even extraction at home

At-home espresso machines are the best when you’re sick of paying $6 for a latte and you want to skip the drip.

Moon photograph from Artemis 1
Moons

China compiled the most detailed moon atlas ever mapped

The Geologic Atlas of the Lunar Globe includes 12,341 craters, 81 basins, and 17 different rock types.

a ring affixed to a wall in the ancient Mayan city of Chichen Itza
Archaeology

Plants detected in ancient Mayan ‘ballcourts’ point to a sacred spot

Advances in environmental DNA sequencing show that these areas were for more than just for recreation.