Want to have some drinks in juina
It was a spring day in , and John McNeill had a pocket full of diamonds. Jewelers had passed on the cloudy stones, but for scientists, these precious minerals were windows into the deep Earth. In a darkened laboratory, McNeill aimed a beam of light onto the surface of stone after stone, measuring the spectrum scattered by the diamonds and their impurities—hoping to find minerals in these inclusions that could tell him how these diamonds formed. What he discovered instead gave scientists the first concrete evidence that there was water deep inside the Earth.