It may come as a surprise that in modern physics, there exists a scale below which the very notions of length and space cease to exist. This is known as the Planck length, named after the German physicist Max Planck.
The fascination with π is so universal that in 1998 film director Darren Aronofsky even created a psychological thriller with that title. Here I want to tell only a few more π stories that are perhaps less known outside the circle of true aficionados.
If life were like a movie and we were able to slow it down we would see the blank spaces between each frame, between each moment, between each change. Kabbalah is the system where we try to see those spaces.