Read the latest articles from Popular Science (Page 619)

The thrill and physics of flying upside down
Aviation

The thrill and physics of flying upside down

What does it actually mean to do a barrel roll in an aircraft?

Zero FX
Electric Vehicles

I rode an electric motorcycle for the first time. Here’s what I learned.

If you’re thinking of getting started on any kind of motorcycle, follow some simple advice.

Serial 1 ebike
Electric Vehicles

First ride: Harley’s stylish new electric bicycles

We tested out the new e-bikes from Serial 1, a Harley-Davidson spinoff.

CRISPR breaks ground as a one-shot treatment for a rare disease
Gene Editing

CRISPR breaks ground as a one-shot treatment for a rare disease

CRISPR reached a big milestone this year by treating a disease inside the body—here's what's next for the technology.

A dam on Lake Powell displays a chalky white bathtub-like ring that shows how much water reservoir levels have declined amid an ongoing drought.
Climate Change

40 million Americans depend on two reservoirs that just hit record lows

The Colorado River's Lake Powell and Lake Mead reservoirs haven't been this low since they were first filled up.

American leisure activities by age, income percentile, and gender
Health

5 graphs that reveal how Americans spend their free time

Money is a major factor.

Polaris lunar rover replica at the US Space and Rocket Center
NASA

Polaris built a lunar rover replica that can drive 60 miles per hour here on Earth

The 1,500-pound vehicle uses plans and molds from the original rover.

Young woman with iPad wearing Apple AirPods Max
Audio

What is Apple’s Spatial Audio?

Apple Music’s Spatial Audio promises you an immersive experience. But does it deliver?

coral reefs of Moorea as seen from height
Ocean

Why Some Coral Reefs Might Survive Climate Change

But it's not going to be easy for many species

How To Turn A Barf Bag Into A Phone Mount
Life Skills

How To Turn A Barf Bag Into A Phone Mount

Become the envy of fellow passengers on TV-free airplanes

What’s it’s like to fly an 11,500-pound experimental helicopter (with zero experience)
Aviation

What’s it’s like to fly an 11,500-pound experimental helicopter (with zero experience)

The tablet attached to my leg—and the former Coast Guard pilot by my side—helped.

How many hours of sleep do you actually need?
Ask Us Anything

How many hours of sleep do you actually need?

It depends on how well you want your brain to work

Chinese Scientists Engineer Teeny Tiny Pigs To Sell As Pets
Pets

Chinese Scientists Engineer Teeny Tiny Pigs To Sell As Pets

Also for medical research

Nikon F3 SLR
DIY

A normal person’s guide to buying an old film camera

You don't have be an expert (or a hipster) to enjoy analog photography

First Images Of How A Molecule’s Structure Changes In A Reaction
Science

First Images Of How A Molecule’s Structure Changes In A Reaction

Visualizing chemistry is awesome!

Red-winged blackbird singing.
AI

Birders behold: Cornell’s Merlin app is now a one-stop shop for bird identification

The app’s new 'Shazam for birds' feature was made possible through citizen science. Here's how it all works—and why you should download it.

a smiling woman crouching down to talk to a small child in a hooded jacket
Health

What ‘gentle parenting’ can teach us about care, relationships, and communication

Its focus on communication is being praised on social media—but what does the evidence say?

Bean soup served with avocado, cheese and eggs.
Life Skills

Feed a family for a week with a single bag of beans

Nutrition on a budget.

The Hubble Space Telescope, with its yellow solar panels featured prominently.
Moons

Hubble spied water vapor on our solar system’s largest moon

Ganymede is a growing point of interest for astronomers and their search for life.

A person sitting on the floor, holding several $100 bills in a fan shape.
Life Skills

7 tips for saving electricity this summer

Saving money while saving the planet can be oh so cool.