How can a microscopic, inorganic substance be identified? Before, they are ground up and examined by chemical analysis. Now, they use a technique called RAMAN infrared spectroscopy. It has been around since 1928 and is named after Sir Chandrasekhara Venkata Raman, who won a Nobel Prize in PHysics in 1930 for his discovery. RAMAN spectroscopy focuses…
Unambiguous signals for graphene in COVID-19 shots
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