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How is your personal information kept secret on the internet?

Lots of private data is exchanged over the internet. What are some examples? As Mia Epner explains, cryptography allows for the secure transfer of data online. How does encryption work? And what is a key? Today information is encrypted using 256 bit keys. This keeps information safe because it means there are way too many ...

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How do computers get hacked?

What are some examples of cyber crime? Watch this clip to find out how viruses, denial of service attacks (DDoS) and phishing scams work. What is a botnet? And how are they used by hackers to bring down websites? Most of the time computers get hacked because of simple mistakes users make. What can users do to better protect ...

Online

What is Shakespeare Unbound?

Shakespeare doesn’t get any better than this. Actors from Australia’s famous Bell Shakespeare Company, including Artistic Director John Bell, present key scenes from six of Shakespeare’s best-known works before joining conversations to dissect the playwright’s use of character, plot and language. Custom-made for Australian ...

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BTN: New Zealand's earthquakes

Damaged buildings, flooded roads, and crashed cars! No, it's not a bad dream; it's actually the aftermath of an earthquake in Christchurch, New Zealand, in 2011. Find out about what causes earthquakes, the damage they cause, and why Christchurch was rocked by two quakes within six months. This clip includes footage of earthquake ...

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Introduction to Food Security

This is a video that defines and explores the concept of food security using animated illustrations, spoken commentary, and pauses for discussion. Identifying the accelerating growth of population and the proportion of people who are chronically hungry, it provides the United Nation's definition of food security and its ...

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BTN: What is debating?

Well, come along to round six of the 2015 National Schools Debating Championships to find out! What are the rules of debating? And what are the speakers judged on? As BTN reporter Carl Smith explains, in order to make a good argument, you need to try to prove that your ideas are right and your opposition's ideas are wrong. ...

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What are IP addresses?

Meet Vint Cerf, the co-creator of the internet! In this clip, Vint and software engineer Paola Mejia explore the way computer networks talk to each other. Find out what an IP address is and why it's similar to a street address. What's the domain name system? And how does your computer find out the IP address of a website ...

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What makes these paper planes fly?

Have you ever wondered what makes a paper plane fly? Think about the design of the paper plane as well as external factors like the various forces that are at play, then make a list of the design considerations and a list of the different forces.

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Food security researcher

This is a short clip in which a dietician, Kate, describes a food security research project she is working on and includes details about what food security is, the skills employed by researchers and what she enjoys about her project topic. Kate provides encouragement for undertaking work experience to find out more about ...

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Low impact sustainable agriculture

This is a video (4:15 min) about how the Stewart family is regenerating their family farm, Yan Yan Gurt West, in south-western Victoria. Presented by family members, the resource describes how the land was over-cleared in the past and its hydrology or water resources were compromised when swamps were drained. The regeneration ...

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What do authors do besides writing – they farm truffles?

This is a video about author and farmer SD Gentill and how she combines writing with growing black truffles. It consists of an interview in which she answers questions posed by Will, a young boy. To a background of scenes from her Snowy Mountains farm and a Brisbane restaurant she supplies, Gentill explains how truffles ...

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The history of the Aboriginal Tent Embassy

The Aboriginal Tent Embassy was established on the lawns of the Old Parliament House in 1972 only to be forcibly removed a few months later. Why do you think the reporter compares the protest in Canberra to events in Louisiana and Mississippi in USA? What are the protesters chanting? See if you can find out what happened ...

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Catalyst: Why plants are good for liveable cities

Central Park in Sydney was voted the world's best tall building. It is known for the plants in its beautiful vertical gardens which cover its surfaces, but did you know that the garden is not purely decorative? Watch this video to find out what other purpose the vertical garden has.

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Chemistry of rotten eggs, and more

Want to know if an egg is rotten, why onions bring on tears and what makes green vegetables turn brown after cooking? Watch this clip to discover the chemistry behind these and other everyday problems. Find out about the chemical reactions, compounds and elements involved, and learn some simple chemistry-inspired solutions.

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What is spec fic? Rebecca Lim explains

Have you heard of the term 'spec fic'? What is speculative fiction? If you're interested in reading some, why not find out more about the books that Rebecca Lim refers to.

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Design processes for building robots

If you had to build a robot, where would you start? A good place to start is by brainstorming ideas with others. Think about your objectives, then think of other factors like the resources and the time you have available to you. Next, get some pen and paper and start drawing what you think your robot should look like based ...

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Modernism and Woolf's 'Mrs Dalloway'

Mrs Dalloway' by Virginia Woolf is a modernist novel. What makes it so? Think of how it contrasts with Edwardian and even 19th century novels. How does consciousness, or internal reality, as well as multiple perspectives play a part in modernist literature like 'Mrs Dalloway'?

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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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How to design and build a robot in six weeks!

Evan, a mechanical mentor for FIRST Robotic Competition's 3132 'Thunder Down Under', outlines the processes involved in designing, building and testing a robot in six weeks. What influences the team in their design and building processes? Can you think of anything else that might influence the design and build of the robot ...

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Interviews With 10 Australian Authors, Ch 2: Draw with Bronwyn Bancroft

How do you draw a giant rainstorm? Bronwyn Bancroft loves Australian nature. She knows how to paint the weather, the land, and the animals. In this interview she speaks about what it's like to live in a country town when a storm hits.