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• TLF-IDM015369

Have you ever wondered how a yacht sails into the wind? Watch as the Experimentals team works through practical demonstrations of Bernoulli's theorem. You're in for a few surprises as you learn how gases and liquids change their behavior as they begin to flow.

• TLF-IDM015800

Elliot challenges Ruben Meerman, the Surfing Scientist, to do an experiment that involves explosions, pretty colours and lollies! Watch this clip to see what he comes up with. You might also learn something about chemical reactions and the stored energy in food.

• TLF-IDM015548

Words have a history. Knowing their history helps us to understand what they mean and why some people use them in different ways. Professor Kate Burridge explains how the use of the past tense of the verb 'get' (gotten) has changed, but is still in use by many people. She also discusses the history of the word 'nightmare'.

• TLF-IDM018808

Is it a good idea to build a complex and expensive machine without carefully checking the design first? This animated clip describes some of the steps NASA took during the design review process for the development of a new satellite. Can you think of any other steps in design reviews?

• TLF-IDM015514

Have you heard of the Large Hadron Collider (LHC)? Watch this clip to find out about a scientific discovery at the LHC that left physicists uncharacteristically emotional. Catalyst's Dr Derek Muller takes you inside the LHC and talks to scientists there about the discovery of the Higgs boson and what it means for our understanding ...

• TLF-IDM019897

Is there a place in your neighbourhood that is special to you, or that you visit regularly? See if you can create a report about this place, the way the reporter in this clip has done about Cook Park in Orange, NSW.

• TLF-IDM018804

What were the politics surrounding the issue of native title in 1993? Former prime minister Paul Keating's support for the granting of native title was not popular with all Australians. Many of his Labor colleagues were uncomfortable about it. Listen as Tim Fischer, then leader of the National Party, declares his position ...

• TLF-IDM018842

Many natural products, such as red cabbage and turmeric, can be used as a natural source of colour to dye fibres. Watch the dyeing demonstration in this clip to see how. Discover the chemistry of natural dyes, including the bonding properties of different pigments and how acid-base reactions can alter the colour of pH-sensitive ...

• TLF-IDM020269

It's cool to program robots to play football, but there are many more useful applications for programming robots to react to what they are seeing. What are some of the examples David McKinnon gives? Can you think of some more examples?

• TLF-IDM025010

Learn a cool trick using the concept of the mean (or average). Pick any 3 x 3 block of dates on a monthly calendar. The number in the middle square is the mean of the nine numbers that form the 3 x 3 square. If you add all the numbers and divide the total by nine (the number of squares), the answer is the number in the ...