What is a photon? In physics, a photon is a bundle of electromagnetic energy. It is the basic unit that makes up all light. The photon is sometimes referred to as a quantum of electromagnetic energy. Photons are not thought to be made up of smaller particles. They are a basic unit of nature called an elementary particle. Properties of a Photon Photons have some basic properties that help define what they are and how they behave. These properties include:
Globe Staff November 08, 2016. Massachusetts voters on Tuesday legalized marijuana for recreational use, sweeping away more than a century of prohibition and opening the door to a massive new industry. The vote means the drug will become legal for use on Dec. 15, and marijuana shops can open in 2018.
Retail pot shops open in Colorado â Customers wait in a long line for their turn to buy recreational marijuana outside the LoDo Wellness Center on Wednesday, January 1, in Denver. Colorado is the first state in the nation to allow retail pot shops.