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"A lopsided, six-spoke wheel"

Using a technique called "full-field photoluminiscence," researchers were able to gain insight into the manufacturing process used to a 6,000 year-old amulet from an archaeological site in Pakistan. The amulet appears to have been constructed using a process called "lost wax casting," a process still used today to construct metal scientific instruments.


This 6,000-Year-Old Amulet is the oldest example of a technology still use by NASA

By Sarah Kaplan

The Washington Post

November 15, 2016

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