The Atlantic Monthly Group
The Atlantic: Who's to Blame for Climate Change?
This video explores the global problem of climate change and how reducing and controlling our emissions we can begin to control the problem. Also learn what countries produce more emissions than others. [2:06]
Bozeman Science
Bozeman Science: Emission or Absorption Spectra
In the following video Paul Andersen explains how the photons emitted from or absorbed by an atom or nuclei is directly related to electrons moving between energy level. Absorption and emission are a direct result of the conservation of...
Bozeman Science
Bozeman Science: Stimulated Emission
In the following video Paul Andersen explains how stimulated emission can be used to create coherent light. When an atom absorbs a photon it moves to a higher energy level through stimulated absorption. It may then release a photon and...