Content Introduction:Light and color, sound and smell;Clothing, food, housing, and transportation, mobile phones and computers;Burning, freezing, friction, explosion, thunder, rain, growth, decay;All material changes and chemical phenomena;Our bodies, our thoughts, our world——All built on electromag
Light and color, sound and smell;Clothing, food, shelter, transportation, cellphones, computers;Burning, freezing, friction, explosion, thunder, rain, growth, decay;All material changes and chemical phenomena;Our bodies, our thoughts, our world —All are built upon the electromagnetic force!Whoever c
