It can be considered as a simple and easy-to-understand graphical representation of radiation doses.

In the news of the nuclear disaster following the 3/11 earthquake, terms like "exceeding limits," "millisieverts," and "microsieverts" are frequently mentioned. But what exactly do these terms refer to? How much do you understand them? Take a look at this bilingual infographic on radiation dosage, which aims to help you better understand radiation doses.

The creator of webcomic xkcd, Randall Munroe, collaborated with Ellen, a senior reactor operator at Reed College's research reactor, to produce this radiation dose chart for your reference: