This website describes the different between The Golden Section The Golden String and Fibonacci Numbers. These all essentially come together to form the same Golden Ratio but help me understand the breakdown of it all and why its so important.
SCIENCE FUN~ Seesaw Science: The Hammer-Ruler Trick is from Scientific American. They have several science-related activities that are fun for children. Adults will find easy-to-follow instructions and simple materials lists, as well as additional background to help them explain the key scientific concepts. Great resource!