Skyscrapers seem to defy the laws of physics by holding up millions of kilograms of weight. Brendan Scott, a Civil Engineer from the University of Adelaide, explains how engineers use maths and science to figure out how we can build large and complex structures without them falling down.
See the different features of an apartment building and how they work, including car parks, elevators, fire stairs, rubbish chutes, different utilities and security systems.
Learn why we make some buildings so tall and what happens inside the different types of buildings.
For The Juniors shows a commercial fishing vessel at work catching fish and delivering them to the fish market.
Learn the different ways tuna is caught and see how the fish is processed for canning.
See how rice is harvested with machines, transported to a factory, milled, packaged and taken to shops.
Several children use musical instruments and computers to make sound effects for a play.
A lesson on how sounds are recorded and played back for answering machines and television programs.
A child uses a hearing aid to hear her online teacher better.
Technology used in the recording of sound is ever changing. In this program we begin with a familiar scene of sound recording - the telephone answering machine. From here we visit a post-audio studio to investigate the use of computers for adding recorded sounds to television programs.
Jules makes a can telephone and a hydrophone and explains how they work.
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