Technology

Want to Make Energy and Save Water? Slap Panels on Canals

Covering waterways would, in a sense, make solar panels water-cooled, boosting their efficiency.

How Food Waste Could Be Turned Into Climate-Friendly Jet...

Humans dump an estimated 10 billion gallons of potential biofuel into landfills every year. Researchers found a way to capitalize...

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Bill Gates Is Upbeat on Climate, Capitalism, and Even Politics

The technologist and philanthropist goes beyond his recent book to talk about climate denial, vaccines, and David Foster Wallace.

Satellites Can Help Detect When a Volcano's About to Blow

Researchers used thermal radiation data to find patterns in recent eruptions—providing another metric to help get ahead of a potentially...

People Who Text While Walking Actually Do Ruin Everything

Clever experiments demonstrate how having your face in your phone disrupts the flow of pedestrian traffic and makes life difficult...

The Struggle to Vaccinate People in Jails and Prisons

One year later, Covid-19 is still impacting incarcerated people at a disproportionate rate. But efforts are under way to prioritize...

An Ultracold Plasma Models the Universe’s Most Extreme...

The super cool, dense particle swarm gives physicists a way to study the insides of stars and gas giants—without ever leaving the...

Covid Meant a Year Without the Flu. That’s Not All Good...

The 2019–20 flu season basically didn’t happen. Same for a couple other respiratory viruses. But that could make future seasons worse.

Watch a Shape-Shifting Robot Prowl the Big, Bad World

Meet DyRET, a doglike machine that can lengthen its four legs on the fly. That’s not to creep out humans, but to help ramblin’ robots...

NASA Gets a Quick Peek at a Mysterious Layer of the Sun

A new map of the chromosphere’s magnetic field could help us predict solar weather patterns—and anticipate flares that wreak havoc...