The Golden Ratio
The golden ratio, 1:0.61803399…, is everywhere in nature. People have exploited this ratio in visual arts such as paintings, architecture, sculpture, websites, and photography for thousands of years. Well, websites and photography are a little more recent. Anyway, this number is closely related to the Fibonacci sequence in that . Even more interesting is that the reciprocal .
If you thought this YouTube video was cool, you might also like to check out these resources: