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
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
Four automakers in Japan, including
Most analysts and economists agree, robots are slowly replacing humans in many jobs. They weld and paint car bodies, sort merchandise in warehouses, explore underground pipes and inspect suspicious packages. Yet we still do not see robots as domestic help, except for robotic vacuum cleaners.
Until recently, Javier, a 60-year-old line cook, couldn’t afford a smartphone.Now, thanks to a Silicon Valley company, Javier has a Galaxy S8, one of
Even though the U.S. Postal Service delivers about 46 percent of the world's total mail, competition is getting tougher every day. The post office is turning to technology to stay current. VOA's
Leaders of U.S. national security and law enforcement agencies said Tuesday the U.S. private sector has been helpful in efforts to keep the country safe.While the leaders did not name companies, industry sectors or what specific help has been provided, they did discuss the challenges of monitoring social media.The comments
A new service that sends virtual images of the day's mail to inboxes, before snail mail arrives in actual mailboxes, is now a reality in the United States. "Informed
Bill and Melinda Gates say they're concerned about some of
It has been called a delivery drone, an unmanned aerial vehicle or even a glider. It can be used to deliver essential supplies to areas traditional shipping and delivery companies cannot go to.