Read the latest articles from Popular Science (Page 490)

Henry Ford article How Power Will Set Men Free
Energy

Why hasn’t Henry Ford’s ideal power grid become a reality?

The industrialist's dream of agricultural-industrial micro-grids did not turn out the way he imagined.

an artist rendering of a sphere-shaped large telescope facility in a rocky terrain
Space Telescope

A new law is putting astronomy back in the hands of Native Hawaiians

It's a huge first step in Native Hawaiians' fight to regain stewardship of Mauna Kea, the planned site for the Thirty Meter Telescope.

Bees feel pain
Insects

If insects feel pain, should we reconsider how we experiment on them?

Some scientists want to grant more invertebrates ethical consideration, questioning long-held assumptions on consciousness.

crowds at a music festival
Internet

Spotify is trying to figure out how our music preferences change as we age

The streaming service’s new research shows how our willingness to explore, and what we explore, can vary by age.

Oak Fire satellite image
Climate Change

A hellish combination of topography, weather, and fuel stirred the Oak Fire

This part of Mariposa County, hardest hit by the fire, hasn't burned in a century.

A fanned-out stack of printed photos on a white surface.
Life Skills

Organize your catastrophic digital photo library

Culling your old photos can be truly cathartic.

best budget smartwatch
Smartwatches

Best budget smartwatches

With models for every lifestyle, the best budget smartwatch tracks more than it lacks.

woman biking on citi bike in NYC
Vehicles

Could cameras make urban bike lanes safer?

A bill in New York state is betting on it. If passed, it would be the first of its kind in the nation.

An illustration of what Jupiter would look like with Saturn-size rings.
Space Telescope

Jupiter formed dinky little rings, and there’s a convincing explanation why

See the gas giant's nearly invisible rings thanks to NASA's powerful new space telescope.

How to pick the perfect seat in a movie theater for sound and picture
Life Skills

How to pick the perfect seat in a movie theater for sound and picture

You paid a lot to get into the theater, make sure it's worth the price of the ticket.

skull and crossbones in paint spill
Health

The US can’t get away from lead’s toxic legacy

A prized industrial product since the birth of America, the heavy metal has created a costly, pervasive, and deadly mess.

A van-life van with its back doors open and two camping chairs and a small grill set up behind it.
Life Skills

5 ways to keep your van-life rig organized

Packing a van that you live in is a lot different from packing a van for a road trip.

A pig's heart in a medical container held by a medical worker in blue protective clothing
Heart Disease

How organ-transplant teams hunt for hidden animal-to-human viruses

After a pioneering patient contracted an infection earlier this year, animal-to-human transplant researchers are sharpening their tools.

Alaska chum salmon
Fish

Alaska’s salmon are in chaos

As waters warm, unpredictable salmon returns leave some Alaskans with an abundance of salmon, and others with none.

A solar-powered Army drone has been flying for 40 days straight
Army

A solar-powered Army drone has been flying for 40 days straight

The Zephyr is designed to be able to spend very long periods of time in the stratosphere.

people laughing in the outdoors
Life Skills

How to make yourself laugh

Your chuckle's health benefits are no joke.

You’ll likely never drive Cadillac’s new luxury EV, and that’s okay
Electric Vehicles

You’ll likely never drive Cadillac’s new luxury EV, and that’s okay

The forthcoming Celestiq will be very expensive, luxurious, and powerful. Here's what it says about where Cadillac has been—and where it's headed.

Woman shopping for fruit in grocery store.
Agriculture

The case for paying carbon taxes on unsustainable food

Shopping sustainably is hard—but thoughtful price changes can nudge people in the right direction.

A woman walking on a street wearing headphones, viewed from her shoulders up, as she looks off to her right.
Tech Hacks

5 ways to find your next favorite podcast

AI-powered algorithms are useful, but sometimes you just need to ask a real person what they think.

This small crocodile’s giant ancestors likely preyed on early humans
Animals

This small crocodile’s giant ancestors likely preyed on early humans

According to a recent study, the crocs roamed Africa 18 to 15 million years ago. They were at least twice as large as modern dwarf crocodiles.