In this week's tech news, we check out the country's first zero energy house, find out how fingerprints are reducing airport queues, see how science has solved a sticky problem to do with ketchup and meet Shimi the robot DJ.
Emma Brannam presents the Telstraclear report on technology.
If you're a company or individual making waves in the tech world, Emma wants to hear from you.
Email news or ideas to firstline@tv3.co.nz