Aussie Inventions That Changed The World - Season 1 Episode 2 -

Australian inventors have boldly re-imagined communication across the spectrum of technologies: Graeme Clark's extraordinary Bionic Ear delivered deaf patients the sound of speech; John O'Sullivan and his CSIRO team created the world's first high-speed WiFi that dramatically changed the communication landscape worldwide; Henry Sutton's visionary 'Telephane' was designed in Ballarat decades before the Television and post-master James Raymond established the world's first Pre-Paid Postage system in Sydney in 1838 with his delightfully simple pre-paid envelope.