Why Does Light Exist? What is Its Purpose?

Thanks to Bespoke Post for sponsoring this video! Head to and use code ARVINASH20 to grab your “box of awesome” and get 20% off your first box. REFERENCE VIDEOS: Special Relativity: How all the fundamental forces work: Quantum Electrodynamics: CHAPTERS: 0:00 We can’t see matter 1:15 Is Light a wave or a particle? 4:01 How speed of light led to Relativity 5:05 How light is involved in energy transfer 7:10 How light is involved in forces 8:56 Can a universe exist without light? 9:36 What is the purpose of light? 13:03 20% discount on BespokePost SUMMARY: What is the purpose of light? How does light work? Why does Light exist? There had been a controversy about whether light was particles or waves. Albert Einstein showed that light must come in discrete packets of energy which today we call photons, because that’s the only w