Piezoelectricity is the electric charge that accumulates in certain solid materials in
response to .... New materials were the first to be developed—quartz crystals
were the first commercially exploited piezoelectric ... The nature of the
piezoelectric effect is closely related to the occurrence of electric dipole moments
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Earth - Ten crystals with weird properties that look like magic - BBC
Jun 22, 2015 ...Crystals won't heal you or help you to do magic spells. ... Diamond is the hardest
known natural material on Earth. ... When ultraviolet light shines on an autunite
crystal, it imparts energy to electrons within the crystal's uranium ...
... with the production of a building, from the mining and processing of natural
resources ... Assessing the embodied energy of a material, component or whole
building is ... The embodied energy levels in materials will be reduced as the