The front of the Hyperloop Transportation Technologies (HyperloopTT) system. (Photo: HyperloopTT)

A hyperloop is a proposed high-speed transportation system for both public and goods transportation. In 2013, Elon Musk first made his idea of the Hyperloop public open source by publishing a white paper and encouraging other businesses to run with it. Several startups were founded around the idea, but almost a decade later, there are still no commercial applications of the technology. What’s the hyperloop and when will it be ready? Take this quiz to find out.