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For the Juniors: Boats made from different materials

See how boats can be made from wood, fibreglass and aluminium. Watch film of some Aboriginal men making a bark canoe. See how a special mould is used to make boats made from fibreglass. Find out why aluminium is a useful metal for making boats.

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Why become an engineer?

Are you interested in improving the way people live? What are some of the other reasons Ashwini Ranjithabalan gives for wanting to be an engineer?

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For the Juniors: First the base, then the frame

Come and see Hugo's house getting built. Find out how the concrete foundations are laid. What comes next? Carpenters build a wooden frame. Spot the tools used to build the house. How is each tool used?

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For the Juniors: Getting your boat into shape!

A ball of plasticine sinks. Could you change its shape to make it float? Watch this clip to see some plasticine being made into different shapes. Find out which shape floats. Take a look at the shape of a motor boat. Why is it pointy at the front?

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Different paper plane designs

How many different paper plane designs are there? Lots! Watch as Dylan Parker, paper plane expert, demonstrates some of his favourites. Notice the way the different shapes and features of the planes cause them to move through the air in different ways. Which one do you like the most? Why not have a go at making something similar?

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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 are pixels?

Meet Kevin Systrom and Piper Hanson as they explain how digital images work. What are pixels, those tiny dots of light, made from? How are colours created and represented? What does Kevin say about the way mathematical functions are used to create different image filters. What is the difference between image resolution ...

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Learning about computer languages

What happens when you type a web address or url into your computer and press enter? Watch this clip to find out! Computers and servers talk to each other in a language called HTTP. What are the messages they send and recieve mostly about? HTML is another language, one that tells a web browser how to make a web page look. ...

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Sam the Lamb: what is wool?

This short video, narrated by Sam the Lamb and a group of young woolgrowers, explores where wool comes from, how it grows and how it protects sheep in all kinds of weather. Viewers will discover what wool looks it, how it feels and how woolgrowers harvest their sheep’s woolly fleece each year…and how it grows back again.

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Spark: A better way to predict the spread of bushfires

In recent years, new technologies have helped us respond to natural disasters more quickly by providing up-to-date information as it becomes available. What if we could take this one step further with new technologies that can also predict disasters? Learn how Spark, which uses our existing knowledge of bushfire behaviours ...

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What makes the internet run reliably?

Watch this clip to see software engineer Lynn Root and co-creator of the internet Vint Cerf explain what keeps the internet running reliably. When information is sent on the internet, it is broken down into packets that are able to take a number of routes to get from one computer to another. Why might this be important? ...

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For the Juniors: Thoughtful design

Meet Hugo's nan, who gets around in a wheelchair. See how her house is designed for a person in a wheelchair. Watch for things that suit her needs.

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Benefits of teamwork in robotics

It takes team work to build robots! Oliver talks about how he didn't know too much about building robots when he first joined  3132 'Thunder Down Under', but by being in a team with others learned a lot of skills. He also talks about sharing ideas, and how valuable it is to make and learn from mistakes with others. Why ...

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For the Juniors: Wheely good wheels

Wheels are round and come in many sizes, but how does a wheel turn? In this clip we show you how a wheel and axle work together to provide movement.

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Building spaghetti bridges

Have you ever tried making a bridge out of dried spaghetti? What about a spaghetti bridge that can support a roadway and small car? Watch as teams of first-year university students reveal and test their designs. How did they decide what kind of bridges to build? Have a go at designing, testing and building your own spaghetti ...

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How do solar panels work?

The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy. This TedEd animation (4:58 ...

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How to fly around the world without fuel

Imagine if we could fly day and night using only solar energy. The expertly engineered Solar Impulse plane is flying around the world delivering a powerful message: clean technologies can achieve the seemingly impossible. Powered by a dream, determination and breakthrough engineering, this flying adventure aims to inspire ...

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Reverse engineering

This series of short videos from Khan Academy deconstruct and explain the way household items are designed and how they work including a digital alarm clock radio, a coffee maker, a tap light (a toggle switch light), a hair dryer, a DVD player, a universal remote and a digital camera.

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How 'binary information' is communicated via the internet

Ever wondered how your photos, emails and messages get sent between devices? Watch as software engineer Tess Winlock explains what binary information is, and how it gets from one place to another. Can you explain what 'bits' are? How about 'bytes'? In the past, binary information was sent using physical systems like semaphore ...

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For the Juniors: Tall buildings that won't fall

What makes tall buildings strong and stable? View this clip to find out how a tall building made from concrete is made even stronger. Look at a model of the building to see how it will look when it's built. See if you can pick up some design tips to help you build your own tall structure!