Innovation competitions are the next big thing. Here are 8 ways to make them work
- Written by Olga Kokshagina, Researcher - Innovation & Entrepreneurship, RMIT University
 Leonardo da Vinci sketches. He invented the pulley, the parachute and the water-powered mill. None were patented.Shutterstock
Leonardo da Vinci sketches. He invented the pulley, the parachute and the water-powered mill. None were patented.ShutterstockFor centuries, human beings have relied on patents to encourage and protect innovation.
The electric light was patented, the phonograph, television, WiFi and Nespresso capsules.
But many inventions were not: matches, vaccinat...







