Search results

• TLF-IDR3174

This is a photograph, possibly taken by John Flynn (1880-1951) and measuring 8.2 cm x 8.2 cm, of an elderly woman seated at a pedal wireless transmitter with three girls behind her. There is no microphone but the woman is operating a morse key. The woman and one of the girls are wearing earphones. The words 'AIM Pedal Transmitter' ...

• TLF-IDM015390

View how scientists use underwater sound waves to measure ocean temperature changes in the Indian Ocean. The animations show how the technology called acoustic thermometry works. Australian scientists are working with a global network of 'listening posts' to monitor the long-term effects of climate change on ocean temperatures.

• TLF-IDM015531

Discover how nanotechnology is contributing to the creation of new, improved batteries that may soon be used in all our mobile phones and portable music devices - even in cars and trams. Catalyst's Tanya Ha looks at how traditional batteries produce electricity and how their efficiency may be increased by tiny devices known ...

• TLF-IDM021113

Could an invisibility cloak actually work? Prashanth and Maria from MIT explore this idea and demonstrate the cool ways that light bounces, bends and mixes. How do the wings of the Morpho Butterfly give clues about how an invisibility cloak could work? How would light need to be channelled in order for something to seem invisible?

• TLF-IDM019918

Climate change was once just part of the science domain, but today it is a political juggernaut! This unit explores the science of climate change as a scientific concept and a political issue. The unit includes PDF resources and video quiz challenges for teachers and student and the library section provides extra resources ...

• TLF-IDM016385

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand that current is the flow of electricity around a circuit and that the greater the resistance of the circuit, the less current flows. There is a two-question quiz and a summary slide.

• TLF-IDM016662

This 12 minute video segment from Catalyst explains why photonics promises to remove bottlenecks and speed up the entire Internet by sending information with light rather than tardy little electrons. An excellent source of information on the current science for students of information systems.

• TLF-IDM016751

This 6 minute video segment from Catalyst explains how understanding the properties of sound and modelling has been successfully applied to create the ideal space for recitals.

• TLF-IDM015551

Andrew Woods from Curtin University answers the question 'How are 3D movies made?' Discover how how 3D glasses work. You might be surprised to find out how long ago people started making 3D movies.

• TLF-IDM015438

In the past, astronomers explored the universe with their eyes and optical telescopes, but what they could see was limited. Find out how radio telescopes have revolutionised the way astronomers 'see' the universe, allowing us to explore deeper into space than ever before.Watch this clip to learn about Australia's contribution ...