Technology

A Mathematician's Guided Tour Through Higher Dimensions

The concept of a dimension seems simple enough, but mathematicians struggled for centuries to precisely define and understand it.

SpaceX's Inspiration4 Returns After 3 Days in Orbit

The first all-civilian, all-private spaceflight splashed down off the coast of Florida.

Buy WATER H2O Coin

Urchin Slayers Are Trying to Save the Underwater Rainforest

‘Zombie’ purple urchins have obliterated West Coast kelp forests with their insatiable appetites. Can they be stopped?

FDA Mulls Boosters, States Dispute Mandates, and More News

Catch up on the most important updates from this week.

What Is ‘Fire Weather,’ and Why Is It Getting Worse?

A new study of the American West shows that climate change is driving more days that are hot, dry, and windy—the perfect conditions...

An Outdated Grid Has Created a Solar Power Economic Divide

Utilities have upgraded the infrastructure for rooftop power in richer neighborhoods, but low-income areas don't have the same capacity.

How to Watch the SpaceX Inspiration4 Launch

The first all-civilian, all-private mission to orbit prepares to blast off from NASA’s Kennedy Space Center.

SpaceX’s All-Civilian Inspiration4 Crew Readies for Launch

Sure, an orbital flight without professional astronauts is unorthodox—but it just might work.

Why It’s So Hard to Predict Where the Pandemic Is Headed...

Human behavior has changed along with the virus and public health measures to contain it. For modelers, it’s a curveball.

‘Neurograins’ Could be the Next Brain-Computer Interfaces

Dozens of microchips scattered over the cortical surface might allow researchers to listen in on thousands of neurons at the same...