[quote][b]Posted by:[/b] BBallJones fusion cores are little boxes placed throughout the map that explode when you shoot them. i read that you can push them around into a pile and shoot them to make a big explosion. you could use this as a camping technique or other things but they seem pretty cool[/quote] by that, BBallJones means the fusion cores found in Zanzibar during the 2004 E3 preview - although, like Bungie said, all aspects of the game so far are subject to change...but fusion cores are a great idea.