When the hyperloop first sparked a frenzy in 2013, it was just an Elon Musk Big Idea—very exciting, maybe possible, definitely hard to believe. Now, five years on, a version of the futuristic, ...

It's a bird; it's a plane; it's a Tic-Tac-shaped pod that travels at 670 mph. Virgin wants you to know (or at least think that you know) that its system of futuristic pill-shaped transportation pods, ...