Read the latest articles from Popular Science (Page 620)

a woman taking a selfie
Security

The IRS: We won’t use facial identification tech after all

The Internal Revenue Service has done an about-face on its plan to use facial recognition technology via a company called ID.me.

Hand loading dishwasher
Projects

Save money by making your own dishwasher tablets

Keep ’em clean, keep ’em shiny.

people-outdoors-toasting-with-glasses-of-wine
Life Skills

How to keep wine fresh after opening it

Make sure wine stays tasty until the last sip.

Monarch butterfly feeding on nectar of a purple coneflower in a native meadow
Insects

Monarch butterflies show hints of a comeback out West, but experts are cautious

People's efforts to plant milkweed and other native habitats are aiding the species' survival.

an armored personnel carrier in a field
Military

These Russian military robots help with logistics and scouting

A video shows two new bots working side-by-side with Russian soldiers. Here's what to know about them.

a satellite with solar panels and scientific instruments orbits in space with the moon in the background
Sun

Hermes will be NASA’s mini-weather station for tracking solar activity

To uncover the secrets behind space weather, the mission will monitor electromagnetic fields, subatomic particles, and solar flares.

A young woman sitting outside a coffee shop on a patio by the street, using a silver Macbook on a wooden table.
Tech Hacks

How to find free WiFi when you really need it

Get online fast without compromising your security.

Winter Storm Landon moving off the Gulf Coast on the night of February 3 on a weather radar satellite image
Weather

Ice, tornadoes, and cracking trees: Why Winter Storm Landon dragged a melee of weather across the US

Cold jet stream winds met hot Gulf air currents.

Three excited kids in robotics class printing robot toys on a 3D printer
Physics

The future might be filled with squishy robots printed to order

T-1000, but jigglier.

Person with black gloves pouring rock salt over a sidewalk despite environmental pollution
Life Skills

There’s a better way to use rock salt on snow

Deicers harm waterways in a number of ways. How you use them can make a difference.

An Aston Martin SUV.
Vehicles

Check out Aston Martin’s insanely powerful new SUV

Let's take a look under the hood of the DBX707.

person on the floor sorting laundry
Life Skills

Sorting your laundry correctly will make your clothes last longer

Whites, colors… stripes?

dislike button water droplets
Social Media

Your privacy is costing Meta money

A change in Apple’s privacy policy is expected to cost Meta billions.

A person counting money.
Tech Hacks

How to avoid overpaying when an app’s subscription price goes up

Make sure your interest in an app keeps pace with its cost.

a violent wave crashes over a row of homes
Climate Change

The future of hurricanes is full of floods—a lot of them

On the US Atlantic and Gulf Coasts, storm surge and heavy rains join forces to create a dramatic change in flooding risk.

What broadband ‘nutrition labels’ could reveal about your internet provider
Internet

What broadband ‘nutrition labels’ could reveal about your internet provider

It will be like what you see in a grocery store, but about monthly charges, not sugars. Here's how experts say they could help—and what problems remain.

Mars on 25 December 2003
Mars

Early Mars was a long-lasting hell, meteorite study suggests

The Red Planet could have been a cataclysmic place for even longer than suspected.

Iceberg melts into various shapes
Physics

Ice doesn’t always melt the same way—and these visuals prove it

Physicists sculpted ice into distinct shapes by controlling the temperature of surrounding water.

A Minecraft castle.
Tech Hacks

What I wish I knew before playing Minecraft with my kids

Tips for parents who want to game with their little ones.

ten dollars
Cryptocurrency

Project Hamilton takes its first run at modeling a digital dollar

MIT and Boston Fed ran computer models for a potential central bank digital currency system and published a white paper on their findings.