| Topic: |
Science > Physics |
| User: |
"Sam Wormley" |
| Date: |
20 Dec 2006 09:35:53 PM |
| Object: |
Water pores reveal age of paper |
Water pores reveal age of paper (Dec 20)
http://physicsweb.org/article/news/10/12/9
Physicists in Italy and France have used small angle neutron scattering
(SANS) to show that paper degrades over time because of the growth of
water-filled pores trapped within its cellulose structure. The results,
obtained by Mauro Missori of MilanâEUR(TM)s Istituto Centrale per la
Patologia de Libro and colleagues, could be used to develop a SANS-based
technique to date paper from historical times (Phys. Rev. Lett. 97
238001).
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