A new era in American spaceflight was unveiled last month, with NASA presenting the flight crews that will carry out the first test flights and operational missions aboard commercial spacecraft to be launched from U.S. soil for the first time since the space shuttle's retirement in 2011.
Experts warn that spending too much time with smartphones is eroding our family and social life. At its annual conference in June, Apple also unveiled a host of small improvements including a bit of augmented reality. VOA Khmer's Chap Chetra narrates.
Virtual reality experiences are becoming more physical and more interactive. No longer just a “lean back” experience, the immersive technology is taking viewers out of the living room and into entirely new worlds. VOA Khmer's Chap Chetra narrates.