Self-powered laptops and everlasting batteries could soon become a reality thanks to a new study from the Royal Melbourne Institute of Technology that measured a piezoelectric film’s capacity for turning mechanical pressure into electricity. Piezoelectricity is a phenomenon already at work in small devices such as cigarette lighters, which use a piezoelectric crystal to create a charge when struck by a spring-loaded hammer. Piezoelectric materials such as crystals or ceramics are nothing new, but this is an application with a greater scope for use.
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