Earlier this week, 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.

• 本周早些时候东京大学的研究人员对特殊纸张制成的小型折纸飞机在摄氏250度的高温、七倍于音速的大风下进行了30秒的测试。