Sentences with phrase «free electrons back»
Incoming light, as an oscillating electric and magnetic field, strikes the silver nanoparticles, which also oscillates the metal's free electrons back and forth.
http://www.sciencemag.org/ Not exact matches
Atom - Builder — free Slate and Tablets is back with Atom - Builder, an exciting game designed to teach students the skills they need to count protons, neutrons, and electrons in an atom.