Science

Real cool

作者：REUTERS

Hiroshi Ichigaya, director of Japanese company PC2B, showing off a small fan attached to his "air conditioner clothing" in Tokyo on June 11. The jacket, which cools down the body, can be bought o...

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期二十一世纪英文报尊享卡用户，我们开放所有内容：
如果您拥有以上权限，请点这里登录；
订阅电子报，请点这里；
激活VIP教师卡，请点这里；
激活21英语尊享卡，请点这里。