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War on Waste: Recycling e-waste to raise money for food charities

We all know recycling is a great way to reduce waste going into landfills, but there can be other benefits too. Some social entrepreneurs are recycling e-waste, not only to keep them from going into landfills, but also to generate revenue to help fund food charities. Craig Reucassel mentions how using technology for longer ...

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All about engines

What does 'horsepower' really mean? And how do engines work? Join Luke and Abhi from MIT to find out! As Abhi explains, engines produce power by forcing a mixture of fuel and air into a tight space and then burning it. Piston engines and turbine engines do this in similar, yet different ways. After watching this video, ...

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Using maths to understand the universe

When completed, the Square Kilometre Array (SKA) project will be the largest and most capable radio telescope available to scientists. Radio telescopes like the SKA detect radio waves produced by events and objects in the furthest reaches of space, translating these waves into data and imagery that allow scientists to study ...

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Catalyst: How high will sea levels rise?

Much of the world’s population will eventually have to deal with the consequences of sea-level rise, but the question is: how high will the water get? Dr Graham Phillips investigates how scientists are turning to the distant past to predict the impact of rising sea levels. Watch scientists explore 120,000-year-old coastlines, ...

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Introduction 'Technology' in AgriBusiness (Animation)

This is a video about how Australian farmers embrace technology. Using animation, photographs and commentary with occasional puns and jokes by a primary-school--aged boy, it sets the scene of the overall impact of technology, describes why Australian farmers have always been innovative; provides a definition of technology; ...

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Biofuels – From Sorghum to Ethanol (video)

This is a video [6:05 min] about the production of ethanol from sorghum at the Dalby Bio-Refinery in Queensland. The video describes and illustrates the stages in the production process including milling the sorghum into ‘flour’; mixing the flour with water to hydrolyse the starch; adding enzymes to liquefy the starch (the ...

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Farm diaries: teacher video

This video supports the unit of work by the same name. Presented by a classroom teacher who has trialled the unit the video reflects on the inquiry based pedagogy and the unit's value in terms of curriculum alignment and student engagement.

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Kids in the Garden, Ep 12: Trees: a vital part of our lives

Have you ever heard of the 'sausage tree' or the 'dragon blood tree'? Watch this clip to find out about these and many other types of trees. Explore how they grow and why they are important. Presenter Nick Hardcastle will also show you how to plant a tree and grow a bonsai tree.

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What emerged from the Big Bang?

This 13 minute video in 3 parts explains how the Big Bang theory developed by looking at the evidence that supports it, including Hubble's theory of the birth of the universe, Hoyle's naming of it and Einstein's theory of energy and matter. Part 2 looks at what happened after the Big Bang - the emergence of the 4 fundamental ...

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BTN: Animal recognition system

We have all heard of human face recognition systems, but have you heard of animal recognition technology? Watch this clip to discover how an 'animal recognition gate' is being used to separate the sheep from the goats. Find out how this innovative application of a popular technology might help farmers manage pest animals ...

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For the Juniors: Growing apples

Do you like eating apples? This clip shows where apples are grown. Learn how the apple farmer (orchardist) looks after the apple trees so they can grow lots of healthy fruit.

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Catalyst: Nuclear fusion future

Visit the world's largest nuclear fusion reactor, which uses the same process as the Sun to produce energy. Look at the new advances in fusion technology which mean, for the first time, a fusion reactor should now be able to produce more energy than it consumes. It offers a future alternative energy source, but is not without ...

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Our world: moons in our solar system

This is a NASA 'Our World' video clip focusing on the celestial objects that orbit the planets of the solar system. The narrators include an enthusiastic young student and a planetary scientist who provide intriguing information about a variety of moons. The presence of water on some moons raises the possibility that there ...

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Vegetables Victoria: soil health

This video of 6.5 minutes includes interviews with vegetable growers who have been in the industry for a long time, talking about the development of fertiliser practices from collecting manures and spreading them by hand to the use of chemical fertilisers. The farmers talk about the extra benefits of manures for soil health ...

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Marla Spivak: Why bees are disappearing

This is a video of a TED (Technology, Entertainment, Design) talk by Professor Marla Spivak about the dramatic decline in the number of bees. The 16-minute video begins with a discussion of why humans should care about bees, including their critical importance for the world's food supply. Professor Spivak explains that ...

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Farmers, their animals and the environment

This is a video about the valuable genetic diversity of Asia's indigenous domesticated animals; the contribution the animals' genes make to local people's food security; and the results of the use of genetic technologies. The video identifies ever-present links between farmers, their animals and the environment by describing ...

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Could you make a unicorn by crossing DNA?

Good question! Find out whether this is possible by watching as biologist at MIT, Dr Sera Thornton explains. What is a genome? And why do genomes need to be decoded? If the rhino genome was successfully decoded and the part that described the rhino horn was isolated, what would the process be for creating a unicorn?

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Keeping up with carbon

What is the carbon cycle and how does it affect climate? Find out in this fascinating clip from NASA, produced to celebrate Earth Science Week 2009.

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Discover how smell unlocks memory

Are there certain smells that remind you of particular people, places or events? Watch this clip to learn how smells unlock our memories. What are the parts of the brain responsible for processing smells and creating memories? And how do they relate to each other? How can we use this knowledge to improve our memories?

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How does nanotechnology work?

What is nanotechnology? Watch as Dr Kay Latham explains why scientists are interested in working at the nanoscale. What have researchers been able to design using their understanding of nanotechnology? And how might nanotechnology be used in the future?