Loss A modern koan By Spiritual Quotes - April 1, 2014 0 176 Imagine a massless particle. – Koan of modern physics You may also like: What Is Quantum Humor: A Lighthearted Blend Fun Animated Spiritual Video Techniques: Joyful Sparks Enlightenment Rationality Fuels Bright Modern Thought Absurd Cosmic Comedy Brings Joyful Wonder