Terrafugia Transition may not be the world's first flying car, but its makers say it is the first to have wings that fold up automatically at the push of a button.
South Korea - based designers Yoon Jung Kim and Jong Rok Lee have come up with a refrigerator that features a door that becomes transparent with the push of a button.
而韩国的设计者Yoon Jung Kim和Jong Rok Lee提出设计一种按一下按钮，门就会变透明的冰箱。