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 ...

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 ...

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 ...