On Wednesday the University of Tokyo researchers tested small, origami planes made of special paper for 30 seconds in 250 degrees Celsius heat and wind at seven times the speed of sound.

• 周三，动京大学研究者们对进行了30秒钟在摄食250度下，为音速七倍的风速下由特殊纸制成的小型折纸飞机的测试。