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• TLF-IDM015394

How might we reduce damaging emissions from diesel engines and increase their fuel efficiency at the same time? Watch as Dr Vishi Karri from the University of Tasmania describes the development of a new type of engine: the hybrid hydrogen-diesel engine. Dr Hafez A Hafez explains how the technology can be easily adapted ...

• TLF-IDM015754

In space there are thousands of human-made objects (satellites and space junk) orbiting Earth. To avoid collision with space debris, satellites are manoeuvred out of its path. Discover how space debris is tracked using lasers, and about accuracy's effects on the lifetime of the satellite. Find out, using trigonometry, the ...

• TLF-IDM012591

This web page focuses on Sidney Nolan's famous Ned Kelly series of paintings held by the National Gallery of Australia including links to a gallery of enlargeable images, a primary education resource and a lesson plan with interactive resource for Years 5 and 6. The webpage also includes a video with audio commentary about ...

• TLF-IDM016145

This 11 minute video segment form Catalyst shows that although the orang-utans of Borneo are threatened with extinction, we don't know exactly how many are left or where they are. The use of helicopters to locate their nests and estimate population size has helped to challenge our thinking about the requirements of this ...

• TLF-IDM012602

This resource includes an enlargeable image of the painting 'The saplings' by Hans Heysen and catalogue information about the painting. There is also a video with audio commentary and corresponding onscreen text that provides an interpretation of the painting and information about the artist's views. The painting pays homage ...

• TLF-IDM016592

In this resource Thomas Keneally assesses Macquarie’s role in development of NSW.

• TLF-IDM016609

This simulation allows students to explore the chemical reactions between hydrogen, oxygen, carbon, nitrogen and chlorine. They can form water, carbon dioxide, hydrochloric acid, ammonia and methane. Word and chemical equations are provided. The diagrams distinguish single, double and triple bonds and shapes of molecules.

• TLF-IDM016619

This 7 minute video segment from Catalyst outlines the impact of the work of Charles Darwin on specific Australian scientists and as such addresses aspects of the nature and history of science.

• TLF-IDM015448

The Leaning Tower of Gingin is the centrepiece of the Gravity Discovery Centre. The Catalyst team of Derek, Simon and Anja drop watermelons from the tower, to examine the rate at which they fall. They are testing Galileo's theory about falling objects. The dimensions of the tower provide an opportunity to apply some basic ...

• TLF-IDM015447

If you were asked what the biggest number you can think of is, what would you say? Infinity? Well, what about the biggest finite number you can think of? Mathematician Ron Graham came across such a gigantic number in his research that, to capture its massive size, he and his colleagues needed to come up with new methods ...