The board is mounted atop a 10-in wheel, with users leaning forward to accelerate and backwards to decelerate or change direction. The Hoverboard is, of course, very similar to last year's One Wheel and that's not something that has escaped the attention of its manufacturer. In a direct comparison with the One Wheel, Hoverboard Technologies claims its single-wheeled electric skateboard is faster, offers a longer rage and is quicker to charge.
Definition of perplex. 1  transitive verb. 2  1 : to make unable to grasp something clearly or to think logically and decisively about something her attitude perplexes me a perplexing problem. 3  2 : to make intricate or involved : complicate.
Definition of periscope. : a tubular optical instrument containing lenses and mirrors by which an observer obtains an otherwise obstructed field of view.