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Nobel Prize in Chemistry 2011
The majority of solid matter are crystals: atoms organized in an ordered pattern. Physicists long believed that the structures of all crystals consisted of patterns that repeated over and over again. In 1982, Dan Shechtman was studying diffraction patterns, which occur when x-rays are passed through the crystals, when he discovered a regular diffraction pattern that did not match any periodically repeated structure. He showed that there are crystal structures that are mathematically regular, but that do not repeat themselves. These are called quasicrystals.
His discovery was extremely controversial. In the course of defending his findings, he was asked to leave his research group. However, his battle eventually forced scientists to reconsider their conception of the very nature of matter.
Nobel Prize in Chemistry 2011
The majority of solid matter are crystals: atoms organized in an ordered pattern. Physicists long believed that the structures of all crystals consisted of patterns that repeated over and over again. In 1982, Dan Shechtman was studying diffraction patterns, which occur when x-rays are passed through the crystals, when he discovered a regular diffraction pattern that did not match any periodically repeated structure. He showed that there are crystal structures that are mathematically regular, but that do not repeat themselves. These are called quasicrystals.
His discovery was extremely controversial. In the course of defending his findings, he was asked to leave his research group. However, his battle eventually forced scientists to reconsider their conception of the very nature of matter.
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