Scientists Discover How to Convert CO2 into Powder That Can Be Stored for Decades
A team of scientists has figured out how to convert planet-warming carbon dioxide into a harmless powdery fuel that could be converted into clean electricity
Tech Billionaires Need to Stop Trying to Make the Science Fiction They Grew Up on Real
Today’s Silicon Valley billionaires grew up reading classic American science fiction. Now they’re trying to make it come true, embodying a dangerous political outlook
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Ultrasound Enables Remote 3-D Printing—Even in the Human Body
For the first time, researchers have used sound waves to 3-D print an object from a distance—even with a wall in the way
Light Can Travel Backward in Time (Sort Of)
Light can be reflected not only in space but also in time—and researchers exploring such “time reflections” are finding a wealth of delightfully odd and useful effects
Inside the Satellite Tech Revealing Gaza’s Destruction
Amid restrictions on optical satellite images, researchers have developed a radar technique to gauge building damage in Gaza
New Glasses Can Transcribe Speech in Real Time
Glasses that provide subtitles for conversations could be a boon to people with hearing loss
New 6G Networks Are in the Works. Can They Destroy Dead Zones for Good?
Next-generation 6G technology could “enable applications that we may not even imagine today”
Introducing Scientific American’s Redesign, Newsletter and Podcasts
Geoengineering is happening, AI wants to talk with animals, and why we aren’t going to live in space
Pipelines Touted as Carbon Capture Solution Spark Uncertainty and Opposition
Federal investment in carbon capture could help fight climate change, but this technology is facing fierce opposition
Streetlights Are Mysteriously Turning Purple. Here’s Why
Newly purple streetlights might seem innocuous, but they could affect driver and pedestrian safety
Dams Worldwide Are at Risk of Catastrophic Failure
Here’s why disasters like Libya’s dam collapses happen and how to prevent them
New Air-Conditioning Technology Could Be the Future of Cool
Standard AC units cool buildings but contribute to global warming. New technology aims to change that