Technology Why bizarre Cold War hoverboats are making a comeback Sea-skimming crafts – which fly just above the water – were once considered Cold War relics of a failed Soviet experiment.

The Cold War was over. Mr. Bugas in 1995. The bunker he supervised was set more than 700 feet into a hillside and secured by blast doors, the largest of which weighed 28 tons. via the Greenbrier ...