Fossil amber challenges theories about glass

Qatar Tribune - “What we found was that in 20 million years, the amber changed density by only 2.1 percent. What we found challenges the way we look at glasses,’’ said Gregory McKenna, a professor of chemical engineering at Texas Tech University.

“What we found was that in 20 million years, the amber changed density by only 2.1 percent. What we found challenges the way we look at glasses,’’ said Gregory McKenna, a professor of chemical engineering at Texas Tech University.

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