Robots, phantom limbs and a nostril-powered digital painting take center stage at Ars Electronica 2010. Organizers for the digital arts festival, a longtime magnet for madcap interactive designers, describe this year's exhibition as "a response to impending doom."

WikiLeakers may have to be sneakier than just dumping military docs onto a Lady Gaga disc. A legendary hacker is trying to make it harder for troops to funnel classified material to the site.