Making rubbish collection 'smarter'

The University of Adelaide's Jennifer Gardner and Marian McDuie explain how they developed software to measure how much trees contribute to the environment, improving air quality, removing carbon from the atmosphere, and reducing soil erosion.

Junior scientists Archie and Alex demonstrate how to make clouds, using a plastic bottle, pump, poster putty, methylated spirits and a funnel (with the help of an adult), and explain how clouds are formed naturally.

Flinders University's Stuart Wildy and Curtis Merrett reveal their prototype for the 2017 Bridgestone World Solar Challenge, describing the process of designing a solar-powered car, and testing out the technologies on a modified golf cart.