LTA Research(Credit: LTA Research)Pathfinder 1, bankrolled by a Google billionaire, is an attempt to revive the airship. A century after terrifying disasters, is it a safe-enough bet?On 24 October 2024, a brief post was shared on the social media network LinkedIn. In it Google co-founder Sergey Brin's airship company LTA Research finally announced Pathfinder 1's first if brief untethered flight at Nasa's Moffett Field in California, part of the space agency's Ames Research Center. "This morning,...