Engineering

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

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 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

Amid restrictions on optical satellite images, researchers have developed a radar technique to gauge building damage in Gaza

Glasses that provide subtitles for conversations could be a boon to people with hearing loss

Next-generation 6G technology could “enable applications that we may not even imagine today”

Geoengineering is happening, AI wants to talk with animals, and why we aren’t going to live in space

Federal investment in carbon capture could help fight climate change, but this technology is facing fierce opposition

Newly purple streetlights might seem innocuous, but they could affect driver and pedestrian safety

Here’s why disasters like Libya’s dam collapses happen and how to prevent them

Standard AC units cool buildings but contribute to global warming. New technology aims to change that

Oppenheimer won’t bomb in the box office, but despite its director’s best efforts, the science in the film is a bit of a fizzle