Media :
Availability:
Available to listen.
Last broadcast on Wed, 30 Jun 2010, 01:32 on BBC World Service (see all broadcasts).
Synopsis
The sun's magnetic field, it transpires, oscillates like a guitar string. Professor Robertus von Fay-Siebenburgen, one of the scientists who have recorded the sound of the Sun joins Digital Planet for a demonstration.
Light Amplification by Stimulated Emission of Radiation or Lasers was first given a practical use by man fifty years ago, on 16 May 1960. Angela Saini reports on the history of lasers and talks to scientists about its future applications.
At the recent E3 Games Expo in Los Angeles some of the most exciting developments were unveiled. Michael Heiss joins Digital Planet to discuss what is in store for the excited punters.
Mobile phones are widely used in South Africa. The vast majority of the population own them – though the most popular uses are for accessing porn and voting on TV talent shows. However a NGO called Cell-Life is showing how mobile phones can be used to help tackle HIV/AIDS. Cell-Life's Peter Benjamin explains how.
Chapters
Broadcasts
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Tue 29 Jun 201010:32
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Tue 29 Jun 201015:32
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Tue 29 Jun 201020:32
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Wed 30 Jun 201001:32
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