Is this even possible? Let's do some quick calculations. First, what is the speed of sound? I am assuming that Elon is referring to the speed of sound at sea level (and not speed of sound in a low ...

The hyperloop, Elon Musk's idea to make a high-speed transit system for people, has been an exercise in, well, hype. Despite a roster of companies and piles of VC money dedicated to realizing the idea ...

Another day and yet another seemingly unbelievable announcement from tech billionaire Elon Musk. The Tesla and SpaceX CEO says his companies' upgraded hyperloop transportation pod will undergo a test ...

Virgin Hyperloop intends to send pods rushing through a low-pressure tube at 670 miles per hour — but its first passenger test fell short of that. While speed is impressive, Josh Giegel, a cofounder ...