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Photons
The basic unit (quantum) of electromagnetic radiation (and therefore light), photons were first postulated by Planck, whose measurements of the blackbody spectrum showed that electromagnetic radiation... More »

en.wikipedia.org/wiki/Photon

A photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the ...

physics.stackexchange.com/questions/273032/what-exactly-is-a-photon

Aug 7, 2016 ... The photon is a construct that was introduced to explain the experimental observations that showed that the electromagnetic field is absorbed ...

quatr.us/physics/light/photon.htm

February 2017 - Photons are tiny little particles of light, far too small to see individually. All light is made of photons (FOE-tahns). The earliest photons probably ...

whatis.techtarget.com/definition/photon

What is a photon? This definition explains what a photon is and the history of its discovery, as well as how photons are understood in physics and the ...

www.ask.com/youtube?q=What+Is+a+Photon&v=4UNtA8ZaoAc
May 2, 2015 ... Catalogue at https://xmphysics.wordpress.com/ Follow me on facebook: https:// www.facebook.com/xmphysics.

www.ducksters.com/science/physics/photons.php

Kids learn about photons in the science of physics, the particles of energy that make up light including properties and how they interact with matter.

www.universetoday.com/74027/what-are-photons

Sep 19, 2010 ... To put it simply photons are the fundamental particle of light. They have a unique property in that they are both a particle and a wave. This is ...

study.com/academy/lesson/what-is-a-photon-definition-energy-wavelength.html

May 18, 2015 ... In this lesson, we will learn the definition of a photon. We will also explain Planck's constant and its relationship to the photon energy and...

www.khanacademy.org/science/physics/quantum-physics/photons/v/photon-energy

In this video, David explains what a photon is and how to determine the energy of a photon.