Encyclopedia > 1850s

  Article Content

1850s



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
Physical space

... box with different (x, y, z) coordinates. You can choose what numbers you use to describe the box to be what ever you want provided that the distance between the ...