Search Results for: radiation

The Chart of Electromagnetic Radiations

The Lawrence Livermore lab posted this gorgeous old poster of the electromagnetic spectrum onto its Flickr page. It’s an amazing artifact of scientific education from 1944, complete with images of retro radio equipment, hospital radium rays and one of the first commercially … Continue reading

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Ionising radiation videos

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Radiation doses chart

This detailed chart shows the relative doses from different radiation sources. A very interesting centrepiece for further investigation and discussion.

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Dr Karl Karl Kruszelnicki & Professor Dale Bailey talking about radiation

Well worth listening to with radiation in the news in a big way at the moment. Download the podcast from the ABC site

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Unit 2 options

How does physics explain climate change? How do fusion and fission compare as viable nuclear energy power sources? How do heavy things fly? How do forces act on structures and materials? How do forces act on the human body? How … Continue reading

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Light waves: Polarisation & Colour podcast

What is light?, The electromagnetic spectrum, Waves, Wave equations, Light as electromagnetic radiation, Polarisation, Colour, Colour addition, Colour subtraction, Interference & structural colour Download the notes. Download the video.

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Radioactivity – doses and effects podcast

A look at the measurement and effects of radiation doses. Download the notes. Download the video. Links: Calculate your radiation dose Radiation dose chart

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Radioactivity introduction podcast

An introduction to the different types of radiation – alpha, beta and gamma. Download the notes. Download the video.

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BBC discovery podcast – Fukushima Anniversary

An interesting report about the cleanup following the release of radiation from the damaged reactor. Download the podcast from the BBC site: http://downloads.bbc.co.uk/podcasts/worldservice/discovery/discovery_20120305-2000a.mp3

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Radioactive quack cures

One of the fascinating aspects of the study of radioactivity is to see how our knowledge of the effects of radiation has dramatically changed over the twentieth century. Who in this day would ever think of cleaning teeth with a … Continue reading

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