THE FUTURE SOUNDS a bit like a witch crying over a dead cat. That spooky wail is the sound hyperloop makes—at least, the version of the high-speed transportation system designed by Hyperloop One, which just took a big stride toward the day it flings you between cities in near-vacuum tubes.
The Los Angeles company leading the race to fulfill Elon Musk’s dream of tubular transit tested its pod for the first time last weekend. That pod is 28 feet long and made of aluminum and carbon fiber. It looks a bit like a bus with a beak.