The work was done at universities in the United States and Germany."They mixed molten tin, heated to about 300C, with pieces of a ceramic material called barium titanium — often used as an insulator in electronic components. The particles were each about one-tenth of a millimeter in diameter and were dispersed evenly through the tin using an ultrasonic probe.
My sister opened a computer store in Hawaii. She sells C shells down by the seashore.