Encyclopedia >

  Article Content

Warning: include(/home/kidsnetau/encyclopedia/wiki/tero-dump/wikipedia/wi/) [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/wi/' 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
Radiometric dating

... be a small-molecule gas that can leak out, and must itself have a long enough half life that it will be present in significant amounts. In addition, the initial element ...