The photoelectric effect is a phenomenon where light knocks electrons out of a material, resulting in the emission of these electrons, called photoelectrons. Albert Einstein explained the ...
The Brighterside of News on MSN
Scientists finally explain how lightning forms inside storm clouds
For as long as people have watched storms roll across the sky, lightning has inspired awe and fear. You can see the flash and hear the thunder, but the true beginning of a lightning bolt has remained ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results