Old books give off a complex mélange of odors, ranging from pleasant (almonds, caramel and chocolate) to nasty (formaldehyde, old clothes and trash). Detecting early signs of paper degradation could help guide preservation efforts, but most techniques destroy the very paper historians want to save. Now, researchers have developed an electronic nose that can non-destructively sniff out odors emitted by books of different paper compositions, conditions and ages.
from Top Technology News -- ScienceDaily https://ift.tt/2NNpXDf
Wednesday 13 November 2019
The smell of old books could help preserve them
Posted By: Unknown - November 13, 2019About Unknown
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