Wildfires are often discovered by aircraft pilots, drivers or spotters in observation towers but also increasingly by remote sensors, which alert authorities to fire outbreaks. Mike O'Sullivan reports from Los Angeles that a new ground-based camera system and satellites in space are helping firefighters to monitor wildfires.
As anticipation builds for the next-generation mobile communications or 5G, security has become a heated topic. The U.S. government has launched an unprecedented campaign urging countries to ban one of the key makers of equipment for the new network, China-based telecom titan Huawei. But Huawei is vowing to refuse to assist any country in spying and even claims it would rather go out of business. VOA's Bill Ide recently visited the company's headquarters in China's southern city of Shenzhen.
Researchers at Rice University have discovered an eco-friendly way to recycle lithium-ion batteries, the kind that power nearly every electronic device today. Their findings could keep more batteries out of landfills and even create new batteries from dead ones. Tina Trinh reports.
Even though you hear a lot about human beings moving into space permanently, there are really only three humans in space at any give time. They are on the International Space Station and they are very, very busy. But they just got some robotic help from NASA. VOA's Kevin Enochs reports.