Pythagoras and the Ratios: A Math Adventure by Julie Ellis
A boy’s quest to tune a pan flute and a lyre illustrates some of the many uses of mathematical ratios. (Ages 9 – 12)
Charlesbridge, 2010, 32 p., $16.95.
You can read this article for free.
Here’s why you should subscribe anyway.
To celebrate our centennial, we have made our entire archive available for free. But quality journalism comes at a price. Support the next century of science journalism. Subscribe to Science News for as little as $2.99 a month.