send me a full story about this subject please
Huh???
If you can read carefully, you'll see that this is a homework HELP forum -- not a plagiarism site.
Marius, we do not do your homework for you. After you have written a story on something that really interested you, we will be happy to make further suggestions or corrections.
Here are good suggestions for story writing.
http://www.brucehale.com/howto.htm
http://www.shortstorygroup.com/storytips.htm