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• TLF-IDM015402

Imagine a country arming its police force with tanks, heavy weapons and chemicals to combat its own people. This extract shows the escalation of violence and the results of racism in the USA in 1968. Army, police and fire units are shown practising new riot control activities in preparation for expected violent demonstrations ...

• TLF-IDM015409

What happens when the members of a society feel like they have no hope? This is the situation faced by members of Harlem's African American community in 1968, who find themselves in a cycle of poverty. Civil rights activists like Al Cook offer a solution to the problem: fight back.

• TLF-IDM020704

Can you name the four instruments that make up the brass section of the orchestra? Like musicians in the woodwind section, the brass players power their instruments with air. But how do they do this differently?

• TLF-IDM015399

The latest coal rush is sweeping across Queensland, but this time without having to dig the coal up. Animations show the processes used to extract coal seam gas (CSG) out of the ground, which can then fuel gas turbines in power stations. Discover how CSG avoids some of the environmental effects of traditional coal mining, ...

• TLF-IDM017838

Take a journey with two 2013 Sleek Geeks Eureka Science Schools Prize finalists, as they present their take on the history of steam power. See how they link steam power, the properties of water and the way energy is converted. WARNING: if flickering light affects you, you may be best to avoid watching this video.

• TLF-IDM015461

Is there any day of the year when you and those in your community have a special meal, or feast? Australia has people from many countries, cultures and religions. That is why not all Australians have feast days on the same days. This clip explores the feast of Rosh Hashanah, the Jewish New Year.

• TLF-IDM016028

Discover a method for catching eels while watching how archaeologist Dr Heather Builth works scientifically, at Lake Condah to determine whether the Gunditjmara community were truly nomadic or used advanced farming techniques to support their way of life.

• TLF-IDM015590

A prime number is a number that only has two factors: one and itself. Listen to Adam Spencer and Richard Glover discussing prime numbers. They cover how we define these numbers and how and why prime numbers are widely used in internet encryption.

• TLF-IDM015765

All fossils provide interesting clues to what life on Earth was once like, but there is something quite unique about the fossils found at Emu Bay on Kangaroo Island, South Australia. Watch this clip to find out why.

• TLF-IDM015474

Discover the sustainable design features that have been incorporated into a school's science building. View this clip called 'Living science centre', created by young reporters from Circular Head Christian School, Tasmania. The clip was developed as part of the ABC Splash Live 'Making the news!' project, which featured ...