Taiwan made technology helps serve sushi and defrost frozen food

While many people may be familiar with sushi served on carousels or model railroad tracks, an inventor has taken this technology one step further. Also another locally made machine dramatically reduces the time needed to thaw food. This sushi moves, though it is not traveling along a track. It seems to be floating in air. Is it magic? In fact, if you take a closer look, there is a sort of train ...