Playing time: 3 min (V575)
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Flashing safety cone
Why flashing lights are effective in dark conditions.
Playing time: 1 min (V941)
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Reflective safety cone
How reflective material, such as that used on safety cones and safety jackets, works. Also shows the differences between red and white coloured material in terms of how reflective it is.
Playing time: 1 min (V942)
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Carols by torchlight (1D1)
How lights can seem to make things better, for example, by having candles and torches hen singing carols for a Christmas charity.
Playing time: 1 min (V576) |
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Sources of light (1D2)
Different ways we give ourselves light around the house.
Playing time: 3 min (V577)
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Morning (1D8)
Van you match the colours of the day to music? Here is music set to dawn.
Playing time: 4 min (V578)
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