以下内容最有可能出现在? Imagine this: It's a hot summer's day and you're very thirsty. You've got a can of soft drink but it isn't cold anymore. What can you do? Well, Suh Won Gil from Korea has the answer to this problem. He invented the self-cooling can. This can has a device with a special gas. When you open the can, the gas cools the drink. Football fans at the 2010 World Cup tried the self-cooling can for the first time and loved it! It's a revolution in the cold drink industry!