QR3.1 What is Light?

Even in pre-scientific times, light was considered primal. In Egypt, light from the Sun god Aten sustained all, and in the bible, God created light before the sun, moon, stars or man. Light is still all around us today but it remains a mystery. As Einstein said just before he died:

All these fifty years of conscious brooding have brought me no nearer to the answer to the question ‘What are light quanta?’ Nowadays every Tom, Dick and Harry thinks he knows it, but he is mistaken.” (Walker, 2000) p89

This statement remains true today because science still can’t answer the question “What is light?

QR3.1.1 The Mystery of Light

QR3.1.2 Is Light a Particle or Wave?

QR3.1.3 Young’s Experiment

QR3.1.4 The Copenhagen Compromise

QR3.1.5 How Come The Quantum?