Durable wood 'sponges' act as green sensors of mechanical strain

Striking just the right balance between softness and sturdiness, balsa wood is a choice material for crafting anything from model airplanes to full-size wind turbine blades. Scientists have opened up a new realm of possibilities for balsa by hijacking its natural structure with chemical and physical treatments to transform it into a 'wood carbon sponge' capable of enduring repeated compression and other extreme mechanical conditions.

from Top Technology News -- ScienceDaily http://ift.tt/2GUybDa
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