How would you use a radio or a telephone ifyou had no electricity or batteries? These1bothered (使烦恼) British inventor Trevor Baylis. So in 1996 he2awind-up (装有发条的) radio. It doesn't need electricity orbatteries. You wind it up3hand. It plays for about an hour. Then,you wind it up4.
Baylis also invented a mobile phone that ispowered by5. The shoes contain (含有) a small battery that is powered when you6.This battery is connected to a mobile phone. These two simple inventions canbring modern7to all parts of the world.
Baylis didn't have a university degree inengineering. In8, he left high school before graduating(毕业). He just loved9thingsto help people. He never knew10ideas would come to him.The idea for the phone came to him in a dream.
