Finally, an underwater messaging app

Don’t you hate it when, after going just five or 10 meters underwater, you lose signal completely? Now this vexing limitation of modern technology is being addressed by researchers at the University of Washington, who have made an underwater communication app that uses sonic signals to pass messages to your other submerged friends. It may … Read more

Swarming drones autonomously navigate a dense forest (and chase a human)

If drones are to take over any of the numerous tasks they are supposed to, they’re going to have to get a lot smarter — and learn to work together. In a demonstration of both of these things, Chinese researchers show off a swarm of drones collectively navigating a dense forest they’ve never encountered. We’ve … Read more

Aeva and NASA want to map the moon with lidar-powered KNaCK pack

As humanity prepares to return to the moon (“to stay,” as they remind us constantly), there’s a lot of infrastructure that needs to be built to make sure astronauts are safe and productive on the lunar surface. Without GPS, navigation and mapping is a lot harder — and NASA is working with lidar company Aeva … Read more