The Girl Who Heated Water With The Sun
Can sunshine give you a warm bath?
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The story
In Chiapas, Mexico in 2018, eight-year-old Xóchitl Cruz López built a solar water heater from old bottles, hoses and scrap wood. Sunlight warmed the water inside so her neighbours could wash without burning wood or paying for gas.
What you'll learn
- Dark surfaces absorb sunlight and turn it into heat.
- Water flowing through sun-warmed tubes gets hot without any fuel.
- Xóchitl was eight when she won a science prize for her heater.
- Kid takeaway: free sunshine plus clever building solves real problems.
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