Encyclopedia >

  Article Content

Warning: include(/home/kidsnetau/encyclopedia/wiki/tero-dump/wikipedia/b./) [function.include]: failed to open stream: No such file or directory in /home/kidsnetau/encyclopedia/wiki/tero-dump/wikipedia/index.php on line 210

Warning: include() [function.include]: Failed opening '/home/kidsnetau/encyclopedia/wiki/tero-dump/wikipedia/b./' for inclusion (include_path='.:/usr/share/pear:/usr/share/php') in /home/kidsnetau/encyclopedia/wiki/tero-dump/wikipedia/index.php on line 210


All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Snells law

... direction. A qualitative rule for determining the direction of refraction is that the ray in the denser medium is always closer to the normal. A handy way to remember ...