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.
Under the currently-approved law, retail sales of marijuana in any form will be taxed at a rate of 3.75 percent. This new tax supplements the preexisting 6.25 percent Massachusetts sales tax, for a grand total of 10 percent added to the bottom line for cannabis consumers.