Scientists have recorded measurements of X-rays of energies up to 10 MeV caused by electrons accelerated in the intense electric fields inside a thundercloud.
Sep 30, 2015 in General Physics
Wildfires continue to plague several states in the West. In this image taken by the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument that flies onboard NASA's Aqua satellite, fires can be seen in Washington, ...
Sep 30, 2015 in Environment