article_snippet: A motorised skateboard with just one wheel has been created by a firm in San Francisco.
article_snippet: A motorised skateboard with just one wheel has been created by a firm in San Francisco.
article_snippet: a firm in San Franciscothe $1300 gadget (pictured)
article_snippet: , Future Motion says a firm in San Francisco 'lets you fly over pavement on only a single wheel'. '