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Lignin-based aerogels

Using purified lignin from the lignocellulosic biorefinery at the Fraunhofer Center for Chemical-Biotechnological Processes (CBP) in Leuna, Germany, researchers at the Technical University of Hamburg-Harburg (TU HH) have produced lignin-containing aerogels and processed high-porosity insulating boards with excellent insulation properties.

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The Blackboard

Vacuum

A definition of “cold” or “coldness” is “a relative absence of heat” (Chambers, 1941). Basically the word cold indicates a lack of heat energy; it does not represent an entity but a relative absence of something real, namely energy.  Similarly […]