Particles or Waves?
Quantum mechanics shows the peculiar nature of the world around us. It relates to an ancient discussion: is nature build from particles or waves? Or both? Newton preferred a particle view. He discovered that light consists of different colours, and that these colours can be recombined into white light. He explained this behaviour using a particle view of light, which he described in his publication “Opticks” (1704). He managed to explain reflection and refraction using a particle model. He also discovered the so-called Newton rings, which are an interference phenomenon.