This hoverboard costs $20,000 and can fly for six minutes

2015 was literally and figuratively the year of the hoverboard. While everyone was talking about the self-balancing scooters, two companies showed off skateboard-shaped boards that actually hovered a few inches above the Earth: Lexus with the "Slide" board, and Arx Pax with its second generation Hendo Hoverboard. Now, just days before the new year, another company called ArcaSpace is taking a shot at making the mythical hoverboard.

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