The shell of the walnut is so hard due to its structure and chemical composition. The shell consists mainly of two layers: the outer, hard and insoluble layer called the pericarp, and the inner, softer layer that surrounds the nut. The pericarp of the walnut shell contains many chemical substances, including lignin, cellulose, and hemicellulose, …
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NOD – eco friendly worktop
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Welcome to the Anthropocene.
“We do not just live on this planet, we have shape it. Each year, the work of humans moves more soil, rock and sediment than is transported by all other natural processes combined. If you took all humans and their domesticated animals ( pets and livestock ), their combined mass would be greater than all …
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