How do you create a self supporting stove which will contain and heat 200mL of water, using only household materials that would normally be discarded/ recycled.
(A standard tea-light candle will be provided and the water will be heated by it for 20 minutes then the candle is blown out and the temperature of the water is taken, and to prove how effective the structure is at insulating, the water temperature is measured again after 15 minutes of cooling using a thermometer)
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