Solar cell in a drinking straw

In association with The Solar Spark at the University of Edinburgh

lots of colourful stripy paper straws in a jar

Source: © Shutterstock

Capture electricity from sunlight using raspberry juice and drinking straws.

In this experiment you make a solar cell in a drinking straw. You use the good light-absorbing properties of raspberry juice to capture electricity from sunlight, and some nice straightforward chemistry

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