Having experienced the miracle of Sundial, visitors are able to witness another great scientific discovery of ancient Chinese people --– Ho-tu and Lou-shu (known as magic squares) before they start their in-depth tour at the Museum. Arranged on the both sides of the plaza between the Science Center and the Life Science Hall, these two important inventions of Chinese people in math field are always co-mentioned. Don’t just sit on these black and white marble stools idly. Try to find out its secrets of arrangement!

Click here for the legends of Ho-tu and Lou-shu.