High smoke concentrations in the skies have produced colorful sunrises and sunsets due to the smoke particles in the ...

The reason why the sky is blue during the day and red at sunset is because of how the light interacts with the gases and particles in the atmosphere. Most wavelengths from the sun are able to pass ...

An artist’s interpretation of the interactions between the plasma and the wall inside a tokamak fusion system. Lithium is shown in green, fuel is shown in red and atoms forming the tokamak wall are ...