NICTA held its annual technology Techfest 2015, on February 20, at its Waterloo NSW headquarters. NICTA is Australia's Information and Communications Technology Research Centre of Excellence. The evcnt focuses on how NICTA’s cutting-edge research is improving the way we live and work. Communications minister, Malcolm Turnbull, addressed the conference and said Australia needed an innovation "insurgency" with school children as young as five or six learning computer coding alongside mathematics, science and English. Here are some of the highlights. Photos by IAN SHARP.