Article of the week

A twist on the candle mystery

In a classic demonstration of the candle mystery, three lit candles of different heights are covered with a gas jar (see figure 1) and the tallest candle goes out first. This happens because carbon dioxide produced from burning has a higher temperature, so it rises and accumulates at the top of the…

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Science in a toilet-paper roll

On a roll: a humble roll of toilet paper can be used in science experiments explore diverse topics in materials science, chemistry, and physics.

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We cover a wide range of scientific topics and many articles are additionally available as translations in different European languages.


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Save the Date: Back to School 2024-2025 with ESA and ESERO

Discover five exciting projects from ESA and its ESERO network. Use space to motivate and enrich your lessons for out-of-this world STEM lessons!


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