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What do a solar-powered car and a green plant have in common?

Jon Chase joins engineering students at Cambridge University hoping to win a race across Australia in their solar-powered car. Today they are testing the 110 km/h car on an airfield. They need as much power as possible, so the team uses solar cells normally used in space to power satellites. Jon discovers how the cells use light to make electricity.
But solar power isn’t all about electricity. Plants are solar powered. And because we eat plants, this means most of us are solar-powered too. The substance in plants that captures light energy is called chlorophyll. Jon experiments with chlorophyll and finds out why green plants are green.

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4 minutes

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