Celebrate numbers, patterns, and trippy visuals on Fibonacci Day

Spiraling stained glass windowed ceiling of the Thanks Giving Chapel in Dallas recreates the Fibonacci sequence Image: James Kirkikis / shutterstock By Adam Rosenberg2019-11-23 21:31:52 UTC It’s a big day for number nerds. The date Nov. 23 – really 11/23, since formatting makes a difference here – marks Fibonacci Day, a time when people on…