Consumer & Gadgets

Glasses use sonar, AI to interpret upper body poses in 3D

Throughout history, sonar's distinctive "ping" has been used to map oceans, spot enemy submarines, and find sunken ships. Today, a variation of that technology—in miniature form, developed by Cornell researchers—is proving ...

Energy & Green Tech

We could soon be getting energy from solar power harvested in space

The idea of space-based solar power (SBSP)—using satellites to collect energy from the sun and "beam" it to collection points on Earth—has been around since at least the late 1960s. Despite its huge potential, the concept ...

page 2 from 9