A little curiosity goes a long way.Everyday materials. Extraordinary discoveries.
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MEET A CURIOUS MIND

Discoveries by Luca Hartmann

Explore this author’s published science guides and ideas.

Everyday materials Clear explanations Room to wonder

63 discoveries to explore

Let curiosity lead the way.
Chemistry & Materials

Which Paper Towel Absorbs the Most Water?

Learn how to compare the water‑absorption power of everyday paper towels with a simple experiment that teaches capillary action, measurement, and data analysis.

30–45 minutes (including setup and cleanup)

ORDINARY MATERIALS. EXTRAORDINARY POSSIBILITIES.

One good question can start something big.

Find your next hands-on discovery. No fancy lab required.

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