G20 leaders take time to check out Australian innovation

[1] Australians have joined the G20 summit which was attended by some of the world leaders.

[2] An Australian 11-year-old Esther Schulz showcased of her hi-tech mood light invention.

[3] Another 13-year-old Michael Schulz demonstrated his Star Trek- inspired scientific tricorder which is believed by science fiction authors that the device will be invented in the 23rd century.

[Source] http://www.smh.com.au/technology/sci-tech/g20-leaders-take-time-to-check-out-australian-innovation-20141117-11o9gv.html