Interest
Proportion of Hacker News items mentioning "photon" over time.
Mentions
Total number of Hacker News items mentioning "photon" over time.
A photon is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force. Photons are massless particles that can only move at one speed, the speed of light measured in vacuum. The photon belongs to the class of boson particles. Read more on Wikipedia