This is like those poison balls spies use to kill spies (Spy v. Spy) ... we see'em in the movies and on TV all the time ... the 1.5mm ball is modeled after the original Cold War poison ball ... the 1mm is my newer technology design ...
This is maybe these are too small to be MakerBotable ... I don't know ...
This is another of many entries to the makezine.com/go/makerbot contest ...
blog.makezine.com/archive/2010/04/makerbot_giveaway.html