读报
登录注册网站首页
 

Culture and Discovery

Going fishing for ice cubes

作者:21st
Aa
  • -   
  •    +
You will need

∙ 15 cm piece of thin string (线)

∙ ice cube (冰块)

∙ A glass of water

∙ Salt

How do you lift an ice cube from a glass of water with a piece of string without touching it?
点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭