Did you know that Colonial Americans used large sheets of mica as glass for windows?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Plasmoid
xPlasmoid : A structure of plasma and magnetic fields proposed to explain several natural phenomena including magnetic bubbles in magentospheres and ball lightning
Scientists who study plants in the Sonoran Desert are worried about global warming. Desert winters have become warmer and drier over the years, and climate changes have pushed the arrival of winter rains...Read more