Real-Life ‘Up’: Balloon Transports Entire Buildings
It's 500 feet across and can carry 700 times more weight than a heavy cargo helicopter – yet it's based on technology that was developed in the early 20th century. An Australian firm could make ...
It's 500 feet across and can carry 700 times more weight than a heavy cargo helicopter – yet it's based on technology that was developed in the early 20th century. An Australian firm could make ...
