https://lifeboat.com/blog/2015/10/the-new-hendo-hoverboard-is-a-warm-up-for-elons-hyperloop
The New Hendo Hoverboard Is a Warm-Up for Elon’s Hyperloop – Lifeboat News: The Blog
Oct 15, 2015 - Hoverboard today, Hyperloop tomorrow. Read more
the newhendo hoverboardwarm upnews bloghyperloop