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.