Backwards! ANd an odd name for a bomb that's not a nuke....

[Julian]

http://en.wikipedia.org/wiki/XOR_(computer_game)#Bombs

Note the name of the second one.

[souperzombie]

Bombs
http://thumbnails.truveo.com/0002/95/85/958586FD15F87B413E8A6E.jpg
You want it?

[varkarrus]

http://www.foldabikes.com/CurrentEvents/Story/Photos/ostap/h-bomb.jpg
10 megatons!