The popularity of drones keeps growing, both for personal and commercial use. Instead of humans controlling them, researchers are working on ways to teach the unmanned vehicles how to navigate and avoid obstacles. In Switzerland, researchers are training drones to recognize their surroundings and build 3D maps. VOA’s Deborah Block explains how. … From: MeNeedIt

Sometimes, it’s the simplest ideas that can have the biggest impact. When it comes to wheelchair technology, any advances are welcome, but one simple idea may forever change the way wheelchairs work. VOA’s Kevin Enochs reports. … From: MeNeedIt

On August 21, 2017 people in many parts of United States will be able to enjoy a rare visual spectacle – a total eclipse of the sun. Although the moon passes between the sun and our planet relatively often, a total eclipse is visible only occasionally and only in some parts of the globe. VOA’s George Putic reports. … From: MeNeedIt