David Blair's passion for science was ignited by the first Sputniks. He built radios, rockets and robots, and spent time with NASA during the Apollo missions. After completing a PhD thesis called he joined the early efforts to detect Einstein's predicted spectrum of gravitational waves. The discipline involves more than 1000 physicists working in billion dollar projects, building detectors of unimaginable perfection. David is director of the Australian International Gravitational Research Centre. His passion for communicating science was fulfilled with the concept of the Gravity Discovery Cent...