Here's Why

Rocket Car Day X - Jumbo edition

This was powered by the carbon dioxide from a fire extinguisher. It was the biggest and slowest car on the day! Rocket Car Day X was held in Sydney Steele Rd Marrickville, NSW, Australia. http://www.rocketcarday.com

About the author: Ian Woolf lives in Sydney, has a degree in Applied Science, worked as a solar astronomer, software engineer, systems programmer, webmaster, research assistant, Cisco CCNA tutor, Physics laboratory demonstrator, Computational Theory lecturer, and subject coordinator; while changing his career to freelance writing and broadcasting. Listen to Ian on the Diffusion radio science show on radio 2SER 107.3FM Monday at 6:30pm in Sydney or streaming audio on www.2ser.com, or listen to the Diffusion podcasts. You should follow me on twitter, here