Only days after the spectacular liftoff of what is currently the heaviest space rocket, the privately built Falcon Heavy, NASA announced the next launch will carry a specially built atomic clock. The new device, much smaller and sturdier than earth-bound atomic clocks, will help future astronauts navigate in deep space. VOA’s George Putic reports.
More than 40,000 middle-school-aged engineering students from around the world recently competed to design the city of the future. The competition started in the fall of 2017 and culminated in a grand-prize ceremony this week in Washington. Arash Arabasadi has more.
Fuel made from plants like corn, soybeans, even algae have been around for decades. Now, researchers have developed an algae-powered fuel cell that is ,self-repairing, self-replicating, biodegradable and much more sustainable than existing models. Faith Lapidus has details.
Kevlar body armor saves lives, and the high end vests can even stop armor piercing rounds. But that kind of protection comes at the cost of added heavy weight. A Czech Republic university is using ceramics that bring the weight of safety way down. VOA's Kevin Enochs reports.
Robotic wheelchairs are already available in some countries. But what if a disabled person needs to travel over a bumpy stretch of a road or climb stairs? A lab in South Korea is experimenting with a walking robot with a comfortable seat for a human operator. VOA’s George Putic has more.