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Figure 10
From an electric guitar to the axial tomograph or the ultrasound scanner in the hospital, via the personal computer or video console, all current electronic devices work thanks to the properties of crystals. You'll find semiconductor crystals in chips; piezoelectric crystals in electronic watches, microphones and loudspeakers; pyroelectric crystals in thermographs and alarm systems; and liquid crystals in the displays of mobile phones and televisions. And you'll find crystals such as graphene or quasicrystals in the materials of the future. Do you know what crystalline properties are used for this technology? Can you guess how many products that you use every day work thanks to crystals? Would you like to learn how crystals are obtained in industry?

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