Did
you know that the Celtic Sun god, Lugh,
threw a magic stone that killed Balor, the god of the underworld?
Did you know that we look back in time when we look into the cosmos?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Rayleigh wave
xRayleigh wave : A Rayleigh wave is a seismic surface wave causing the ground to shake in an elliptical motion, with no transverse, or perpendicular, motion.
Global warming is a hot topic, and it's causing concern for scientists studying winter annuals in the Sonoran Desert. While desert winters have become warmer and drier over the years, climate changes have...Read more