In the years since then, balloon flight technology has evolved from cloth balloons and open baskets to polyethylene balloons and metal pressurized gondolas that allow for high-altitude atmospheric ...

While the device is deceptively simple, it is possible to get a balloon to very high ... was a hydrogen balloon, and despite reaching 18,475 meters, had a violent drop in altitude followed by ...

Cummins Inc. (NYSE:CMI), and key technology partners have celebrated the completion of a joint project to develop hydrogen internal combustion engine technology for commercial vehicles.