Search results

Audio

Water found on the moon

Scientists have confirmed the presence of water on the moon. Rather than occurring in rivers or lakes, water is found sparsely mixed amongst rocks. It's suggested the water came from comets, or the combination of incoming protons with oxygen. Jonathan Nally described the latest experiments where spacecraft will be sent ...

Audio

Solar thermal electricity

This program gives an update on research into solar thermal electricity. Liddell Power Station in the Hunter Valley, NSW is a hybrid power station using solar energy to pre-heat water and so reduce the use of coal and the production of carbon dioxide. Some scientists claim that harnessing the solar heat in an area 50km ...

Audio

Brown note: bad vibration mega-hurts

This ABC article by Dr Karl investigates the myth that low frequency vibrations can result in an involuntary motion. The range of sound frequencies related to human hearing is described and how it can and cannot be used.

Audio

Plane Truths

In this ABC article or podcast Dr Karl provides statistics about comparative safety of different modes of travel and then justifies why flying is so safe.

Audio

Microwave explosions

This ABC article and podcast by Dr Karl describes how superheated water can be produced by heating in a microwave and the dangers. This program could be a useful resource when studying the particle theory of matter.

Audio

Space telescopes and servicing Hubble

This radio interview gives examples of how improvements in technology have influenced astronomy. The Space Shuttle Atlantis is paying a service call to the Hubble Space Telescope, repairing, replacing and deploying new equipment. Jonathan Nally describes the mission and looks at other large telescopes in orbit now, and ...

Text

Gateway to Chinese

This website is a collection of resources that practise the skills of pronunciation, listening, reading, grammar and vocabulary for beginning Chinese language learners. The linked resources provide both characters and Pinyin for reading and are accompanied with audio to listen to the Chinese as well. This resource is part ...

Audio

Water-powered engine theories need hosing down

This ABC article by Dr Karl addresses the question: will we one day be able to power cars with water? The chemical reactions involved in the formation and decomposition of water are described. Energy transformations are explained. A very useful resource to get students thinking.

Audio

Lakes in Antarctica

Scientists are not complacent. We still have a lot to learn about the water cycle. The discovery of glacial lakes under the ice in Antarctica actively transporting water between reservoirs was a surprise. These lakes can be up to 3km beneath the ice sheets. The pressure of the ice above helps to melt the ice, forming lakes. ...

Audio

Gus Nossal speaks on being a research scientist, 2008

This is an edited sound recording of one of Australia's best known research scientists and immunologists, Sir Gustav Nossal, outlining his views on medical research. He discusses the qualities necessary for a person to be a successful scientific researcher and talks about the nature and future of science research, suggesting ...

Audio

Robyn Williams talks about inspiring young scientists, 2008

This is an edited sound recording of the leading science journalist and broadcaster, Robyn Williams, offering advice on how to encourage children to be interested in science. Williams states that the 'greatest challenge' is to exploit and maintain a 'natural' interest displayed in early childhood. He suggests that children ...

Audio

Ian Ritchie describes the launch of the Blue Streak, 2006

This is an edited sound recording of Ian Ritchie recalling the first launch of a Europa Blue Streak rocket from the Woomera rocket range in South Australia on 5 June 1964. Ritchie, an engine technician at the range, tells of the noise at lift-off and how the first flight of the rocket was cut short. The recording was made ...

Audio

Ian Frazer discusses the cervical cancer vaccine, 2008

This is an edited sound recording of the Australian medical scientist Ian Frazer discussing how he and his colleague Jian Zhou developed the first vaccine to prevent and treat cervical cancer. He describes their breakthrough laboratory discovery in 1990, and how they realised a vaccine was possible. He also tells of the ...

Audio

Forbes Carlile talks about sports science as a career, 2008

This is an edited sound recording of the Australian sports scientist and swimming coach Forbes Carlile (1921-), speaking about sports science as a career. Carlile states that being competent at sport is useful, but not absolutely essential, for someone to be a good sports scientist. He says all scientific discoveries lend ...

Audio

Brian Manning recalls the Wave Hill walk-off, 2007

This is an edited sound recording of Indigenous rights activist Brian Manning talking about the Wave Hill walk-off in the Northern Territory in 1966, when Gurindji workers on the Wave Hill cattle station went on strike. Manning tells how he was involved in organising the walk-off, assuring the Gurindji that, unlike previous ...

Audio

Bob Brown recalls the launch of the Blue Streak, 2006

This is an edited sound recording of Bob Brown recalling the excitement in Woomera in South Australia at the intended first launch of a Europa Blue Streak rocket from the nearby rocket range in June 1964. He tells how hundreds of families gathered to watch, only to be let down when the launch was cancelled with just seconds ...

Audio

Chris Arthur recalls the Franklin River campaign, 2008

This is an edited sound recording of an interview with Chris Arthur, a Tasmanian environmentalist, who describes being arrested and imprisoned in December 1982 after participating in a blockade of a site linked to a proposed project to dam the Franklin River in south-western Tasmania. He also talks about how he has gone ...

Audio

Ric Havyatt describes bomb disposal work in Darwin, 2008

This is an edited sound recording of Ric Havyatt, former Royal Australian Air Force (RAAF) bomb disposal officer during the Second World War (1939-45), describing the way Japanese planes bombed Darwin in the Northern Territory in 1942-43, and how some bombs did not explode, as designed, on impact. He tells how some unexploded ...

Audio

Andy Thomas speaks of Australia's space program, 2008

This is an edited sound recording of Australian astronaut Andy Thomas, discussing what he regards as a lack of Australian investment in a space program. Thomas outlines why he believes a country such as Australia needs a space program as a part of its 'basic infrastructure'. The recording was made in August 2008.

Audio

Ian Frazer describes medical research work, 2008

This is an edited sound recording of Australian medical scientist Ian Frazer outlining some of the joys and frustrations of a career as a medical researcher. One advantage, he says, is that researchers know that many people may benefit from the work they themselves are enjoying, but he warns against a career as a research ...